Malicious PDF — malware analysis report

Static analysis result for SHA-256 0a180d5c1a5daf4a…

MALICIOUS

PDF

47.4 KB Created: 2020-08-23 00:30:59 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 64eafea255dd8a05d3302be3315a5024 SHA-1: c6305de8fe986455980c31d9d2fc3af1f1a2e58d SHA-256: 0a180d5c1a5daf4a26406166fd7e40798967c645490bc7e5897ac3b380004d79
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, suggesting a link farm or phishing lure. The primary malicious link, 'https://ttraff.com/pify?keyword=carpal+tunnel+syndrome+protocol+pdf', is identified as a malicious redirector. The document body, though heavily obfuscated, contains this URL and other Shopify links, likely intended to appear as legitimate downloads to trick users into clicking the malicious redirector.

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=carpal+tunnel+syndrome+protocol+pdf In PDF document text
    • http://files.simplyberger.com/uploads/1/3/1/4/131407112/titef.pdfIn PDF document text
    • http://files.exploreniseko-activitycentre.com/uploads/1/3/0/9/130969183/lobamolisozebe-ruvejivafuv.pdfIn PDF document text
    • http://files.exmouthcaninecentre.co.uk/uploads/1/3/0/8/130874128/jenasaj.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/1/0434/3722/8188/files/vocabulary_words_with_sentences.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0458/0658/3974/files/92465439301.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1740/3549/files/46060989949.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0088/8469/files/30065404600.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/7408/5279/files/windows_longhorn_iso.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/1961/4884/files/odia_song_sambalpuri.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0462/7156/1890/files/gaxedeluraravajan.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5843/8056/files/winrar_64bit_win_10_full_crack.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/9077/1110/files/kautilya_arthashastra_summary.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7431/3621/files/pdf_file_converter_free.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0441/3086/1208/files/what_is_su2._ff._avast._com.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_off00006eea.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6EEA 5260 bytes
SHA-256: 7b8b2b6bde5ed15cbf3b08c711aa700d7d24239ad1c7e1daeea907b6ca2c6b09
font_01_sfnt_off000080bd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x80BD 9956 bytes
SHA-256: b7b5ed258b9735885c14eb40776c96938142fec27fe54a0dfa6c4840daa2ec54
font_02_sfnt_off0000a2c6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA2C6 4324 bytes
SHA-256: 1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361

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