Malicious PDF — malware analysis report

Static analysis result for SHA-256 6076d8cb857753cd…

MALICIOUS

PDF

41.1 KB Created: 2020-08-02 03:04:58 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 216918d6e7bcfd675ff3a38d26fbe4cc SHA-1: 700f13ae0db8e089a62d72d65309c81779e7e41c SHA-256: 6076d8cb857753cdb29fe27f8974f646fd53151e48f72a2d96dc403fa323a334
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains numerous embedded links, many pointing to a redirector service that ultimately leads to malicious infrastructure. The document body, though obfuscated, contains a URL that mirrors the malicious redirector, suggesting a phishing or scam attempt to trick users into downloading further malware. The ML classifier also strongly indicated maliciousness.

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.ru/pify?keyword=wasi-+ii+manual+pdf In PDF document text
    • http://files.aoemedia.tv/uploads/1/3/1/4/131483254/f5e1c3a.pdfIn PDF document text
    • http://files.eleanorroseoutdoorquiltshow.com/uploads/1/3/0/9/130969158/runopatilo_goxikotew_gemiwowezexel_foxofi.pdfIn PDF document text
    • http://files.premierpoolnaples.com/uploads/1/3/1/0/131070238/d0e8edb4.pdfIn PDF document text
    • http://files.thefashionanalyst.com/uploads/1/3/1/3/131383624/wezunawe.pdfIn PDF document text
    • http://files.ninjamagik.com/uploads/1/3/0/8/130874629/jatupisejumelovavog.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/1/0433/0687/7080/files/wowivitotorinu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/1683/8558/files/75880592993.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9565/4554/files/20829607660.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/sobobubujuwin.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/8184/3356/files/joxolakufupimeriju.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/9256/6435/files/rajakoxikenu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0447/9765/7248/files/pehla_nasha_lyrics.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/1270/1860/files/67466880937.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6888/3098/files/32211903967.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/3341/9160/files/18588401869.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/1687/1333/files/kenmore_elite_oasis_washer.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_off000062bb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x62BB 5136 bytes
SHA-256: 09367932bdb4c3e6c0ce3eb0f531fb2d32936bf73d14e32054f5e2f3fb46b49b
font_01_sfnt_off0000743c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x743C 10424 bytes
SHA-256: 8d4c8b1365c6d35be62ea7672ab3126f6177af66c8fb63c2c918e8c570b5d852

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