Malicious PDF — malware analysis report

Static analysis result for SHA-256 169fb4af9a058f82…

MALICIOUS

PDF

43.6 KB Created: 2020-08-11 19:52:26 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 8124be5de7f0d169e6e30d2e8a7416a7 SHA-1: 73ae62d4332752c67d954aee3830aa72480e827c SHA-256: 169fb4af9a058f8259dc136f1472ddca5f3a701c1a5cd480bafbed9766949ae3
194 Risk Score

Malware Insights

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

The PDF contains embedded links that redirect to a known malicious domain, ttraff.com, which is flagged as a redirector for SEO-based phishing. The document body, though heavily obfuscated, contains text related to an 'Alcatel pop 4 plus manual pdf' and a URL pointing to the same redirector, suggesting a lure to trick users into downloading potentially malicious content. The presence of numerous external PDF links, many hosted on Shopify, further indicates a link farm designed to attract traffic.

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=alcatel+pop+4+plus+manual+pdf In PDF document text
    • http://files.stephenieayoung.com/uploads/1/3/2/7/132712234/502555e22.pdfIn PDF document text
    • http://rixolu.bulldankennels.com/uploads/1/3/1/3/131379246/solewo.pdfIn PDF document text
    • http://kukuxo.becomingscollective.org/uploads/1/3/0/8/130814328/6020418.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/1/0431/0981/0343/files/13106324585.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2790/6206/files/valor_agregado_definicion.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/2207/4534/files/6377913561.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/7274/1791/files/satesozuzefasozu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/7287/9782/files/sony_ericson_w_580i.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0866/3456/files/16654932140.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/zudofujavulasosajawigubi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7764/8027/files/2011_jeep_grand_cherokee_manual.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/5633/9861/files/ti_paper_trail_torrent.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0447/6112/0919/files/public_policy.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 3

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_off00005e0e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5E0E 5116 bytes
SHA-256: 199c9575670f70393a49e35b91db6ad581ab8bdc98c5748e4e3162fb61b9554f
font_01_sfnt_off00006f60.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6F60 10604 bytes
SHA-256: 854fc9ba2bc8b527e130d673df90561ba2fba2008c0f0459298d53fe91990c99
font_02_sfnt_off000093ab.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x93AB 4324 bytes
SHA-256: ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3

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