Malicious PDF — malware analysis report

Static analysis result for SHA-256 202b27a6ac6b880a…

MALICIOUS

PDF

35.4 KB Created: 2020-08-14 18:46:51 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 89506b59dd800cced391eb70df66e177 SHA-1: f92719f80c4f23e9a99a7715253e3850c578310c SHA-256: 202b27a6ac6b880a73dc34eac50e4aba11c82b17f748d7092e0561dfadb3298b
194 Risk Score

Malware Insights

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

The PDF contains a link farm and a specific malicious redirector URL, indicating a phishing or malware distribution attempt. The document body, though partially corrupted, includes text related to 'Snugride 35 instruction manual' and the wkhtmltopdf application, suggesting a lure to disguise the malicious intent. The primary malicious link is https://ttraff.cc/wb?keyword=snugride%2035%20instruction%20manual, which is likely used to redirect the user to a malicious site.

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.cc/wb?keyword=snugride%2035%20instruction%20manual In PDF document text
    • http://files.afiniadentalportal.com/uploads/1/3/1/3/131384070/rigofelive-xejapim-dikepawesodozir-mebex.pdfIn PDF document text
    • http://files.reliantfurniture.com/uploads/1/3/0/7/130739918/sabapo.pdfIn PDF document text
    • http://files.barbycahillfineart.com/uploads/1/3/0/7/130776500/0271e83c5f.pdfIn PDF document text
    • http://fidesij.abhinav-sharma.com/uploads/1/3/0/7/130775918/0382f215a0b31.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/1/0431/5978/1538/files/acute_ischemic_stroke.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1918/1978/files/mowoguwupexasuv.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/9255/5416/files/rolutuxima.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/8220/3801/files/rimek.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9303/3111/files/international_trade_feenstra_taylor_download.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/6970/1280/files/21321374408.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/6886/7231/files/algorithme_programmation_cours.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/6883/1382/files/aprendizajes_clave_lengua_extranjera_ingles_educacion_basica.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 6

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_off00004c96.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4C96 5652 bytes
SHA-256: b0805389bb8bf516c79f7c3b45c6842886bba7235e7dfdb914f49ab235631edf
font_01_sfnt_off00005fa6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5FA6 9840 bytes
SHA-256: 3f5819f55391c75bf64f792f688bd8950209d2bb8c81b84bef85366fbd37abad

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