Malicious PDF — malware analysis report

Static analysis result for SHA-256 841f114359723b27…

MALICIOUS

PDF

44.0 KB Created: 2020-08-21 22:26:36 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 47d670aee51bb4f6b0373fed39dc5819 SHA-1: 3f7d961255da367cd6b9038348ecd818ab02140e SHA-256: 841f114359723b278b377de5a9609f779f960cd533ed032c52ccd2f107577de7
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 identified as malicious. The document body, though obfuscated, contains the URL 'https://ttraff.cc/pify?keyword=android+beaming+service+s8', which is also flagged by heuristics as a malicious redirector. This suggests a phishing or scam attempt, likely using the 'free download' lure.

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=android+beaming+service+s8 In PDF document text
    • http://files.wardswaterpumps.ca/uploads/1/3/1/3/131383681/tevapumidup-dabifawodupigi.pdfIn PDF document text
    • http://tuziwib.pilatesonhudson.com/uploads/1/3/1/3/131383483/e072a45f6.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/1/0431/7485/4812/files/81099393015.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/3113/4365/files/zoology_books_for_bsc_part_1.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/8351/2473/files/composite_materials_applications.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/4492/0726/files/61761843105.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/5108/0087/files/al_quran_karim_full_apk.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/1658/3325/files/bisomiratenubaripo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/3966/7877/files/jigamasibuwidelolid.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0145/4500/files/14551801605.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/1656/9500/files/25121706671.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/4256/9382/files/47839851185.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0450/2038/1342/files/boiler_types.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9902/0696/files/40566208788.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/9295/9642/files/92469378404.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/1629/6360/files/goxalujufurolejegamod.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006cd5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6CD5 5612 bytes
SHA-256: 38f270a80944f46f178683fb553bb227ea1dfd17f7414485b17fe2b8be9a10a5
font_01_sfnt_off00007fca.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7FCA 10420 bytes
SHA-256: 114b6a68603fec47a62b67adcbb3ccbc73856e7a8aabd6fe4ae0901de9b68df1

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