Malicious PDF — malware analysis report

Static analysis result for SHA-256 7c727a3ea3412674…

MALICIOUS

PDF

45.6 KB Created: 2020-08-10 05:24:38 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 528152d21a027a1cf0e45d5d159145df SHA-1: 838e26030192cb8170e0f2917a16e262bd4593d9 SHA-256: 7c727a3ea341267495b14ff4896f855a0b044bf69e28423cf285b7c62cb2d1cc
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document contains numerous links designed to appear as academic resources, but they redirect to malicious infrastructure. The primary redirector URL is https://ttraff.cc/pify?keyword=telugu+academy+books+for+intermediate+1st+year+botany+pdf, which is flagged as malicious. The document's structure and link farm indicate a phishing or scam attempt to drive traffic to potentially harmful sites.

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.cc/pify?keyword=telugu+academy+books+for+intermediate+1st+year+botany+pdf In PDF document text
    • http://files.designerin-sucht-technikjob.de/uploads/1/3/0/7/130776298/6463434.pdfIn PDF document text
    • http://files.crystalprokc.com/uploads/1/3/1/3/131379680/luzivobokobolozevo.pdfIn PDF document text
    • http://files.emilykund.com/uploads/1/3/2/6/132682790/03ab11689.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://fedorahosted.org/lohitIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2960/2205/files/supidumofolijeg.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/2707/0104/files/vadibotosevu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0448/2508/4065/files/convert_to_word_document_adobe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/4629/6982/files/japogexadivafitojupofugo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9912/7959/files/edital_prf_verticalizado.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/6875/0998/files/bodikavebasolaxi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/3894/6981/files/dowozatom.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/8869/9802/files/ansys_workbench_practice_problems.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/4924/6110/files/my_ambition_in_life_essay_in_english.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/6503/1321/files/volkswagen_beetle_repair_manual.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0067/5995/files/17035494834.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 1

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_off00005fa5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5FA5 5784 bytes
SHA-256: c358a1de9824d5b58add879b08e43fdd4d856760a320eb82943c9114f00a3b42
font_01_sfnt_off0000734e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x734E 5408 bytes
SHA-256: 48d5469057bba75dff60f2968174636f9faf923dbefdf624440b77461c452fcb
font_02_sfnt_off00008678.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8678 9968 bytes
SHA-256: 73888ce616847736a733c8119c35554926c6111c43962fc288bd438d1cdc0f85

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