Malicious PDF — malware analysis report

Static analysis result for SHA-256 1aba70e2764163b5…

MALICIOUS

PDF

42.6 KB Created: 2020-08-13 23:44:09 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 96788a0601702d813f3e6d47efde8c47 SHA-1: a451de98344a8861d287826eb9869943cf872ce8 SHA-256: 1aba70e2764163b508392a6f5753bc409916294031374d99631794a37ed88158
194 Risk Score

Malware Insights

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

The PDF file contains a link to a redirector URL, indicating a phishing or malicious redirection attempt. The document body, though heavily obfuscated, contains the redirector URL. The presence of a large number of external PDF links, many pointing to Shopify domains, suggests a link farm designed to obscure the ultimate destination and potentially for SEO manipulation to attract victims.

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=bruce+lee+video+songs++hd In PDF document text
    • http://files.tabletimedecorlinens.com/uploads/1/3/2/7/132710780/jinowem.pdfIn PDF document text
    • http://files.jasondozierphotography.com/uploads/1/3/0/7/130775795/8173572.pdfIn PDF document text
    • http://files.catastrophizer.com/uploads/1/3/0/7/130775405/3829206.pdfIn PDF document text
    • http://duwuk.readingthechinadream.com/uploads/1/3/1/4/131407558/c52637b1c072.pdfIn PDF document text
    • http://files.brockdvickers.com/uploads/1/3/2/6/132682913/xudefevakulaviwe.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/1/0428/9835/8432/files/ziwodukujaluladiludu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2043/5112/files/44481245930.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/1058/0903/files/92477558741.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5525/9560/files/surajadimekemusokujor.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/0174/1463/files/soporozadawadelakozeremu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/5743/1199/files/84849621482.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/9471/2228/files/673924999.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/xefafozerokadugatevaru.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/7133/9686/files/hdfc_life_insurance_plans.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/3544/3871/files/vobeg.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/6480/0918/files/assessment_of_communication_and_interaction_skills_acis.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/3046/3142/files/xfdl_to.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 7

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_off00006980.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6980 5100 bytes
SHA-256: 12016007a770ab88db5d1e1c57dab63451b9563c80f64fdd34826447e7ed9ce9
font_01_sfnt_off00007ad9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7AD9 10184 bytes
SHA-256: 709ae1a7b8c1e726972159f66966cc55d922e70374ab37cf8ce9d7b7a042f979

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