Malicious PDF — malware analysis report

Static analysis result for SHA-256 eaafb5004561e61f…

MALICIOUS

PDF

46.4 KB Created: 2020-08-18 17:05:44 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 85a5156ac67e0c47ef54285f012157ab SHA-1: 5bdb6f975742fbd2cf8b9c06b4ef4efd15a623bc SHA-256: eaafb5004561e61f83e3b165acf5816489f66ca162bbfaf41ad03a3884183da9
194 Risk Score

Malware Insights

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

The PDF file contains numerous embedded links, with a critical heuristic identifying a link to a known malicious redirector infrastructure. The document body, though partially corrupted, contains text suggesting it is a summary of a book, likely a lure to encourage clicks. The primary malicious URL identified is https://ttraff.cc/pify?keyword=emotional+intelligence+2.+0+summary+pdf, which is designed to redirect users to further malicious 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.cc/pify?keyword=emotional+intelligence+2.+0+summary+pdf In PDF document text
    • http://files.rwsstem.com/uploads/1/3/0/7/130739288/fetefaf-sanozosi-gopuziwipamixaf.pdfIn PDF document text
    • http://files.corinneamelia.com/uploads/1/3/0/7/130775888/fivutuxera.pdfIn PDF document text
    • http://wosak.midoripermatech.com/uploads/1/3/0/9/130969060/1571205.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/1/0429/2067/3433/files/65931428592.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9565/4554/files/juvas.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8749/5322/files/87558196318.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0444/5811/5239/files/xapofugajojovubopaguz.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/6376/9243/files/47535802568.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/0523/7657/files/81459477936.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0877/7637/files/kti_bronkopneumonia_pada_anak.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0088/8469/files/14461263493.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/3876/9303/files/88789517121.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0757/3157/files/vozajotanaluzitakigatosi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/1560/2339/files/kosovekutalilerozukezasej.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9937/4233/files/argumentos_a_favor_de_la_pena_de_muerte.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 2

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

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00007475.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7475 5840 bytes
SHA-256: d85130bd69027120639d8b891318eeb1bf8b62a1d66c6ec635d96aba9ea7059c
font_01_sfnt_off0000884e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x884E 10560 bytes
SHA-256: e99555b0f4dfb9474a6bc72371dac41a178e453e6ef9d70e1b104c96886ed144

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