Malicious PDF — malware analysis report

Static analysis result for SHA-256 801aa79af917777b…

MALICIOUS

PDF

49.8 KB Created: 2020-08-26 09:05:38 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: a96107f643ba2b492623bea3d668cdb5 SHA-1: b991c281f6b5f2f7a4774d55e47c19a215ad7488 SHA-256: 801aa79af917777b942528bb558e9ef87d2f3c7cdf06b6bba5aef1b94c16ef3d
194 Risk Score

Malware Insights

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

The PDF contains numerous embedded links, many of which point to a redirector infrastructure known for malicious activity. The document body and heuristics indicate a lure related to payment cards, likely to facilitate phishing or download further malware. While no scripts were explicitly extracted, the PDF structure and link farm suggest an attempt to exploit users through deceptive 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.com/pify?keyword=num%25C3%25A9ro+de+la+carte+green+dot+moneypa In PDF document text
    • http://files.livingbyroad.com/uploads/1/3/1/4/131408056/6795148.pdfIn PDF document text
    • http://files.syandash.co.uk/uploads/1/3/2/6/132681779/viwenajid.pdfIn PDF document text
    • http://files.dksynthlab.com/uploads/1/3/0/7/130739265/3bda6ea5f.pdfIn PDF document text
    • http://files.catherinewhitaker.com/uploads/1/3/2/7/132710627/zanotefug.pdfIn PDF document text
    • http://files.lancemoshercreations.com/uploads/1/3/0/9/130970009/b015c.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/1/0438/4414/1218/files/ejercicios_rectas_y_parabolas_4_eso.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/4299/5352/files/58907820056.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/3446/7752/files/cayley_hamilton_theorem_example.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9945/5642/files/17967688814.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/1746/0120/files/introduction_to_analytical_chemistry_exercises.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/5464/2853/files/ak_47_song_mp4_audio.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/letowopebofowebizuwir.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/1077/5464/files/sigef.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7392/9378/files/tuvurumasofapojolipex.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/4166/8775/files/speaking_the_truth_in_love.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/4327/4395/files/53553060564.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/5918/2745/files/tuwev.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

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00007c33.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7C33 5428 bytes
SHA-256: f9352e5a405b9d2409a468b79cf0e5948dee044127da441fb6a70f3ec2670211
font_01_sfnt_off00008e58.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8E58 13276 bytes
SHA-256: fd3feb7e4affcdebf621ec5d8e337e74360bbad683587d338543182ac2ac693c