Malicious PDF — malware analysis report

Static analysis result for SHA-256 d0025c0376880eda…

MALICIOUS

PDF

40.5 KB Created: 2020-08-02 01:14:48 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 8aec8e088db7927ef1ca7a40304a4f01 SHA-1: d6e03643c9fd4d215a97523abb689d667d5c5fbb SHA-256: d0025c0376880eda51b536ed7c38365ca1d9e0cdf71c0a8b159b4842d0ed9d58
194 Risk Score

Malware Insights

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

The PDF file contains numerous links, many of which point to a link farm hosted on cdn.shopify.com, a common tactic for SEO poisoning. One critical heuristic identified a link to a known malicious redirector infrastructure at ttraff.com, which is used to lure users into downloading software, in this case, 'anaconda python download'. The document body, though heavily obfuscated, contains references to the same URLs, reinforcing the malicious intent.

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=anaconda+python+download In PDF document text
    • http://files.glitzync.com/uploads/1/3/2/3/132303205/pisilixotepofi_jipuzovitu.pdfIn PDF document text
    • http://files.westhavencarshow.com/uploads/1/3/0/8/130874213/kizakogese.pdfIn PDF document text
    • http://files.leelanow.com/uploads/1/3/1/8/131858481/gututukof_mobuwefejawunib.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/1/0430/7219/2669/files/sigosir.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8580/7268/files/noteratuloniganofubovujot.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2797/1741/files/41688171509.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7043/1125/files/zujuje.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/3451/6376/files/59344000474.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/3861/2378/files/54973762476.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/5382/4677/files/nijefefovokixar.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9454/0452/files/subefapomodexolu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9904/6553/files/girokewirudi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7511/6964/files/95832614792.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2668/5858/files/33616674790.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/7500/9686/files/17606820898.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/8876/5337/files/aprendizajes_clave_para_la_educacin_integral.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 5

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_off0000604c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x604C 5072 bytes
SHA-256: fe2a2f94fe8bdd9af9556aec3ca45f556d833b025799d35b1b3907b862a391ea
font_01_sfnt_off000071a8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x71A8 10588 bytes
SHA-256: de81b63482c38531970cd02f1b12b2fb39add71c820e968d69db8706d007757d

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