Malicious PDF — malware analysis report

Static analysis result for SHA-256 646fa82514a18bad…

MALICIOUS

PDF

36.3 KB Created: 2020-08-09 20:20:00 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: ad830e47d0f0c21125617e9b5a910b8b SHA-1: b0f6125268ab7cc58795e92760027eef038b7e1a SHA-256: 646fa82514a18bade765e7c2fae24cabc94e5f8c92406d4b41a78fbf911fd51c
210 Risk Score

Malware Insights

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

The PDF contains multiple heuristics indicating malicious redirection and a link farm, specifically pointing to the URL https://ttraff.com/pify?keyword=ubah+file+pdf+ke+excel. The document body also contains this URL, suggesting it's the primary lure. The presence of numerous Shopify links, some marked as benign and others unknown, indicates an attempt to obscure the malicious destination. The ML classifier strongly flagged this PDF as malicious.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 7

  • 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.
  • Urgency / deadline lure low SE_URGENCY_LURE
    Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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=ubah+file+pdf+ke+excel In PDF document text
    • http://ramutezib.shellyginterconrad.com/uploads/1/3/1/4/131407089/6640543.pdfIn PDF document text
    • http://tomiredin.alexbrightphotography.com/uploads/1/3/0/7/130775432/zalafigez.pdfIn PDF document text
    • http://files.reducerecidivism.org/uploads/1/3/1/6/131637168/7974748.pdfIn PDF document text
    • http://files.618bass.com/uploads/1/3/1/4/131453007/didirinid-vibemeg.pdfIn PDF document text
    • http://files.kiefferphotography.com/uploads/1/3/2/7/132740852/196e24.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/1/0433/5045/8520/files/diablo_2_power_leveling.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/8466/7297/files/radoraxafokugasaxekoka.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7272/4897/files/categories_for_working_mathematician.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/65294746239.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/5942/0063/files/infarctus_du_myocarde_symptomes.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/5827/3185/files/66187802594.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/3626/3078/files/69428833145.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/2121/9493/files/79581062411.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/2925/6613/files/gutip.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4686/3005/files/88537455144.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004e05.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4E05 5232 bytes
SHA-256: a4f968718674c0539c3379729230146209d504cb8d8623097ca54c33beeb7b76
font_01_sfnt_off00005fd6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5FD6 11860 bytes
SHA-256: d93fff4388b7d2bc3ed49adebebb2a6c02b21d1c2cde56d3c904d4289baa6011

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