Malicious PDF — malware analysis report

Static analysis result for SHA-256 be1e92230e11b999…

MALICIOUS

PDF

40.5 KB Created: 2020-07-31 22:28:36 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: ac45efaaa457236e66e713ca9a68215c SHA-1: dbf76878b25d41d12c7f837bf54880d4f465b70b SHA-256: be1e92230e11b999a3f703607f202295e3e37f93e5abe58b7aa137b58966e0ca
194 Risk Score

Malware Insights

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

The PDF contains a link farm designed to manipulate search engine results, with a prominent link to 'ttraff.com' that redirects to a page offering to 'play pacman free online'. This suggests a social engineering lure to drive traffic to potentially malicious content. The ML classifier strongly indicates maliciousness, and the PDF structure is consistent with SEO spam techniques.

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=play+pacman+free+online In PDF document text
    • http://files.littlechalkhouse.com/uploads/1/3/2/7/132712015/sagukapaneveru_pizepe_namewoj.pdfIn PDF document text
    • http://files.ddtpphinc.com/uploads/1/3/1/4/131453253/a71ae2.pdfIn PDF document text
    • http://files.alaskaexpeditiontours.com/uploads/1/3/0/9/130969371/3628370.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/1/0437/3469/6097/files/majibis.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8946/1410/files/sepotufex.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/5601/9109/files/nitewixoluvip.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9018/2297/files/28735642608.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9788/2773/files/91064545109.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/1574/9281/files/menemidufezozonu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/6500/7509/files/91517990300.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/7418/1537/files/wipiv.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/8244/1113/files/82620143888.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5463/6949/files/78901009728.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/7240/6179/files/84252064324.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/8134/3900/files/18627596167.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/7245/3797/files/mapodoxorebumenibi.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 4

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_off0000547e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x547E 4792 bytes
SHA-256: 93c6e67fe537915de9788def029b3ba2895ef5fcbcfd3c82e7bda574fba0b1d6
font_01_sfnt_off000064a8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x64A8 10100 bytes
SHA-256: 8d9a2e5b8013c4b662ed0344618d497813d08af59e0f718ebfedb80092669647
font_02_sfnt_off0000873a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x873A 4324 bytes
SHA-256: 1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e

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