Malicious PDF — malware analysis report

Static analysis result for SHA-256 cb008e82c40e289b…

MALICIOUS

PDF

58.9 KB Created: 2020-08-22 23:43:58 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 3c9098debb5164d450410eb82b10fd03 SHA-1: 70048302c1876caf091d4627b5119819bf39ce15 SHA-256: cb008e82c40e289bcc92749ac44dacd257a3c681b9f6d437f7eb74509a28551e
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF file contains numerous embedded links, with a critical heuristic identifying a malicious redirector. The document body, though heavily obfuscated, contains a URL that matches the malicious redirector identified by heuristics. This suggests the document is designed to lure users into clicking malicious links, likely leading to further compromise.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 5

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
    PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL https://ttraff.ru/pify?keyword=superhit+krishna+bhajan++mp4 In PDF document text
    • http://tipexare.kleinsentertainment.com/uploads/1/3/0/8/130874493/muvodigoxabebot.pdfIn PDF document text
    • http://jediv.rewoca.org/uploads/1/3/1/4/131407089/6824385.pdfIn PDF document text
    • http://wopebedab.theflorecerproject.com/uploads/1/3/1/3/131379478/masedejasurekawuwe.pdfIn PDF document text
    • http://files.aisledoweddingservices.com/uploads/1/3/1/4/131453132/2545816.pdfIn PDF document text
    • http://zirudilo.katongfamilyclinic.com/uploads/1/3/1/3/131379956/tovower.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.indictrans.orgIn PDF document text
    • http://fedorahosted.org/lohitIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/6980/9575/files/87584948770.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/1405/4300/files/asche_abar_shabor_movie_480p.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1553/5774/files/acidic_foods_list.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3173/2132/files/62680232532.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/9343/3246/files/fukaxefisokosuzazitiw.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/2503/1587/files/5035591157.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/gizazuvolabemonixodokij.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/0372/4455/files/42216180900.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7839/3749/files/kelinezitepifosi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2412/9952/files/67678020290.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/7530/3592/files/61331131739.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/2198/4166/files/bojizigavadi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/8249/8716/files/45878954257.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5181/8903/files/instrumentation_amplifier_using_op_amp.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1888/7068/files/goxaxokowititadafunumep.pdfIn PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://ns.adobe.com/xap/1.0/rights/In PDF document text
    • http://scripts.sil.org/OFLIn PDF document text
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 5

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006669.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6669 5500 bytes
SHA-256: 107233668d7839d6917431cfa1b3f0a3119693dea6703bf80de2435f03a3ddd2
font_01_sfnt_off000078f2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x78F2 4784 bytes
SHA-256: 049e28e4960c2355e569eb67f6c0e56972f87a9bab0081ed62bde637c9c88f98
font_02_sfnt_off00008841.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8841 10340 bytes
SHA-256: 77155258be29461fc12bbd5f9bfc325c7545637d360bfa731b716bdb840d945b
font_03_sfnt_off0000abe5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xABE5 16092 bytes
SHA-256: 9af6fc3bf9d751f70540aea0fa47faa159a3604992cda23d2adcda3ffc5346b2
font_04_sfnt_off0000c0e8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC0E8 8424 bytes
SHA-256: 974fee9a1aadf1f48810b8f580db0b36a81fd9214e4e5cc57f47bf87937056fb

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