Malicious PDF — malware analysis report

Static analysis result for SHA-256 a263a0312330a0a1…

MALICIOUS

PDF

55.1 KB Created: 2020-08-24 11:17:26 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 5836c7c49250ffa6e6e68eee9caa370a SHA-1: 8e34511ceb917bb728912a8c044012785840e702 SHA-256: a263a0312330a0a194f59640b6be2ea7ca92a2b33f2016a7e14b2286dbc54d52
194 Risk Score

Malware Insights

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

The PDF document contains a deceptive lure, presenting itself as a 'Mercedes e class 2017 manual pdf' to trick users into clicking a malicious redirector link. The primary malicious URL identified is https://ttraff.cc/pify?keyword=mercedes+e+class+2017+manual+pdf, which leads to a link farm. The document also contains numerous other links to PDFs hosted on various domains, suggesting a broader SEO poisoning or link farm strategy.

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=mercedes+e+class+2017+manual+pdf In PDF document text
    • http://nawonew.a-1autoinc.com/uploads/1/3/1/4/131453724/sozavosijun-gizamugano-xaxusufuzevi.pdfIn PDF document text
    • http://maveresuz.cornerstonecowboychurch.org/uploads/1/3/0/7/130738765/vopovumadawamaf.pdfIn PDF document text
    • http://falalu.featherriversc.org/uploads/1/3/1/3/131380550/kanavidogafokawoxaxu.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/1/0433/1339/7924/files/public_finance_harvey_rosen.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0446/7264/7331/files/sociology_of_health_and_illness_conrad_10th_edition.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/5005/5318/files/kufebuwinegirerejiru.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/8501/1869/files/android_button_onclick_example_eclipse.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/2830/6341/files/aptoide_tv_apk_mirror.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/9509/5451/files/pizavepifu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1931/3062/files/need_for_speed_most_wanted_crack.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7573/9560/files/sekuxigina.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/4302/8120/files/39602484099.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0351/8882/files/samowetomivanajizotufudop.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 8

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_off00007fe2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7FE2 5356 bytes
SHA-256: e0aea0114a57f76bbe052e42634ab1acf9275fc8b602df187af4cbe303beb460
font_01_sfnt_off00009206.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9206 15236 bytes
SHA-256: b5ff17234b7c3ccaedc3ece470898ba02a6936749fd4290a21f169901000ede9
font_02_sfnt_off0000c19c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC19C 4324 bytes
SHA-256: 4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3

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