Malicious PDF — malware analysis report

Static analysis result for SHA-256 272fb74d67440b35…

MALICIOUS

PDF

47.9 KB Created: 2020-08-05 11:49:16 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: cf54ce72035bdc493dfb4f8d46b91443 SHA-1: cb82e5c6c887d980764ed79f0fec7ebe9507101c SHA-256: 272fb74d67440b358c01bb5c552a67f943fda5fc361cc739809460c7fb01c2e4
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains numerous links, many pointing to a redirector service, suggesting a link farm or phishing campaign. The heuristic PDF_MALICIOUS_REDIRECTOR_LINK specifically flags the URL https://ttraff.ru/pify?keyword=anita+blake+micah+pdf as malicious. While no scripts were explicitly extracted, the presence of embedded URLs and the nature of the heuristics indicate a malicious intent to redirect users to potentially harmful content.

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=anita+blake+micah+pdf In PDF document text
    • http://files.hopespringsvenue.com/uploads/1/3/2/7/132741241/wodokub-fawanul-bobuvegileke-newuvuboteragam.pdfIn PDF document text
    • http://files.ieselpicarral.com/uploads/1/3/1/0/131070336/9040599.pdfIn PDF document text
    • http://files.ukenglishmyanmar.com/uploads/1/3/2/6/132681779/munusenifudoku.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1102/2756/files/sonokuzor.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/4285/6345/files/zokifisesamejavepokobur.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/6150/1334/files/xakexopuj.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7777/9100/files/lumitimonapewulidetudemi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6617/9230/files/47882150323.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/6953/7432/files/lejejesef.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5471/0427/files/toeic_vocabulary_2020.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/9007/4005/files/power_of_attorney_form_connecticut.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/2852/7776/files/28144645172.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/8728/0790/files/rurububegufer.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 8

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_off00007271.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7271 4992 bytes
SHA-256: 3abe6fd2e8e50561c9d3f25dddb03349a15337439080fbdcf0dff91f118467ca
font_01_sfnt_off00008334.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8334 9860 bytes
SHA-256: 50c237d1f59f607cdb55d43d6d67f0598347af0ffb347111ee2426d999761395
font_02_sfnt_off0000a4ef.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA4EF 4324 bytes
SHA-256: 9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2

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