Malicious PDF — malware analysis report

Static analysis result for SHA-256 2fd126ce11108993…

MALICIOUS

PDF

68.3 KB Created: 2020-08-11 20:47:13 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 43df48bd265d05976ba070bfe517f5bf SHA-1: 21eadff89263cc4492653267f8c6ca53602562a8 SHA-256: 2fd126ce11108993535a129434a9bb33c4b86ed5a87147ce7228edc9343d38f4
194 Risk Score

Malware Insights

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

The PDF contains a link farm designed to mimic search results, specifically for 'Adobe pdf reader full version free download for windows 7', directing users to a malicious redirector. The presence of numerous generated SEO PDF links and a critical heuristic firing for PDF_MALICIOUS_REDIRECTOR_LINK indicates a phishing or malware distribution attempt. The document body, though heavily obfuscated, contains the target URL, reinforcing the lure.

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=adobe+pdf+reader+full+version+free+download+for+windows+7 In PDF document text
    • http://mixuj.crystalmorsegolf.com/uploads/1/3/2/8/132815176/f26d5143.pdfIn PDF document text
    • http://files.lafaverfamilyfarm.com/uploads/1/3/0/7/130775588/f3cd868d0e2.pdfIn PDF document text
    • http://paravigoz.projectcaleb.org/uploads/1/3/2/8/132816066/6f2adb5555b86.pdfIn PDF document text
    • http://files.peepspeak.com/uploads/1/3/2/6/132681949/0e41b90.pdfIn PDF document text
    • http://files.angipetersonpottery.com/uploads/1/3/2/7/132712306/wegug.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/5491/3950/files/28083481625.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7573/9560/files/foxojukizabovejewini.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/5235/2156/files/gunikenikolipazasotasut.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/9602/9864/files/87540881656.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7706/6145/files/gixelikeveta.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/0850/6531/files/oceans_of_the_world.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6627/7531/files/vesokixig.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/8095/8617/files/74621837975.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7017/6932/files/bangla_to_english_passage_translation.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/5380/0859/files/worarawopamo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/0415/8375/files/93631176386.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

Related samples 6

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

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00007585.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7585 26760 bytes
SHA-256: 5bfc71850c8c66cc50544ad89a906fd73c172ddeafece57e19e891f4216beb13
font_01_sfnt_off0000c821.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC821 5396 bytes
SHA-256: 29ea87d5c1d1a42bf73e4e7176b59be1e996db52e39464685f71d7ad0fb23ebb
font_02_sfnt_off0000da9f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDA9F 12568 bytes
SHA-256: 1458e92cfb079782593ba282adb2cb683ad39d6d77ac15a6ec36b2cabf6fcb5a

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