Malicious PDF — malware analysis report

Static analysis result for SHA-256 793e362058fc5522…

MALICIOUS

PDF

53.8 KB Created: 2020-08-06 04:29:37 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 010f71ec33ceaee346d71f7de064319d SHA-1: b41beac7af4bb5b856624c2c64a88eea7eea990c SHA-256: 793e362058fc55227a03c6a22e73a84e760329ce4b208e5e596a57c27d81b039
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 infrastructure identified as malicious. The document body, though heavily obfuscated, contains a URL that is also flagged as a malicious redirector. This suggests the document is designed to lead users to malicious sites, likely for phishing or malware distribution.

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/pify?keyword=bhutan+travel+guide+pdf In PDF document text
    • http://files.chfsrbija.org/uploads/1/3/1/3/131380158/zavajud_suxedes_mesof.pdfIn PDF document text
    • http://files.sansmarket.co/uploads/1/3/0/7/130740521/bitupenamitede.pdfIn PDF document text
    • http://files.drpatriciafrischtak.com/uploads/1/3/1/8/131856039/nakivolo.pdfIn PDF document text
    • http://files.folkloreandfern.com/uploads/1/3/1/0/131070202/botemokisekep-gesumajumigiw-meteziwe-dewija.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/1/0434/8005/5958/files/xoxuxexuvuzikonevifore.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7230/6846/files/8120116129.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/7129/9999/files/fimig.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4620/7642/files/97123131602.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/2232/5672/files/past_simple_regular_verbs_esl.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/1338/9992/files/91607740202.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/4009/3846/files/unity_vertex_color.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/1312/8867/files/91563395639.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/3887/4532/files/proverbs_study_guide.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9724/4316/files/fisuzutorus.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/tizerosotusalasebix.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5166/3012/files/buchungsstze_bungen_mit_vorsteuer_und_umsatzsteuer.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/2925/6602/files/fallout_4_mod_list.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_off000093da.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x93DA 5232 bytes
SHA-256: 0b8cb8d0db80803664c55150a13947c13e460743ce4f1ea96fd1f652a5114b43
font_01_sfnt_off0000a5ad.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA5AD 10688 bytes
SHA-256: c804803f1f2ccd24e94f1f0049f6828219e5f376969bae9d753ce6b9ea0f65ba

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