Malicious PDF — malware analysis report

Static analysis result for SHA-256 1da1a600a831bf73…

MALICIOUS

PDF

41.9 KB Created: 2020-08-07 17:02:41 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 16827f49e5ef5e9e7b4111e9c6054ffe SHA-1: 7173843622d2afdb03f19fbe5cfeb595f01a718c SHA-256: 1da1a600a831bf73fa7e1f9fc2f5f392269435b62921f874764e767e1bdd1a3d
234 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF contains a lure for a remote support tool and a mass of external links, many of which point to a redirector. The primary embedded link, 'https://ttraff.cc/pify?keyword=pdf+converter+to+word+arabic+support', is a known malicious redirector. The document body, though heavily obfuscated, contains text related to PDF conversion, reinforcing the lure.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 6

  • 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.
  • Remote-support tool lure high SE_REMOTE_SUPPORT_LURE
    Document instructs the user to install, open, or connect with a remote-support tool such as AnyDesk, TeamViewer, Quick Assist, or ScreenConnect — high-risk in an unsolicited document
  • 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=pdf+converter+to+word+arabic+support In PDF document text
    • http://files.glitterbartenders.com/uploads/1/3/2/6/132681749/3826409.pdfIn PDF document text
    • http://files.copperchiefstore.com/uploads/1/3/2/7/132712096/datezavoga_jexabez.pdfIn PDF document text
    • http://files.theenchantingverses.org/uploads/1/3/1/3/131398323/7f31c9d2.pdfIn PDF document text
    • http://files.nousworks.com/uploads/1/3/1/3/131379085/bekegilapip_wojuped_nuvufuma_mapujule.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/1/0432/2151/6449/files/kovuxuwirika.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/7482/7941/files/joxape.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8038/4674/files/cancionero_cristiano_para_guitarra.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7940/1634/files/sepudami.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9980/0217/files/lumikejobanewuf.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/2886/4409/files/78862208231.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/3173/3159/files/jupiz.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/52325197595.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/3518/1734/files/36066296021.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6954/6396/files/4076832136.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/4746/1788/files/best_english_learning_books.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_off00006635.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6635 5412 bytes
SHA-256: 9b50b7a05bd4758c83eddcd36daf42c11cd33201c1c5b412d2512263135d3799
font_01_sfnt_off000078be.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x78BE 9812 bytes
SHA-256: 545a6845c8ebe22ea50a5405d92add016810828871f534c8c323b537a08bbd70

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