Malicious PDF — malware analysis report

Static analysis result for SHA-256 e00819b185230b3e…

MALICIOUS

PDF

43.9 KB Created: 2020-09-10 18:50:07 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 4520935615c9f4c0deafbaae3366cb3d SHA-1: 8eb53210607309c1f891f367badae3150501e0b0 SHA-256: e00819b185230b3ef3660dc55cee6ebfec4346a5fab21ed96cb643efe7cadd36
194 Risk Score

Malware Insights

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

The PDF document contains a mass external link farm, with many links pointing to PDF files hosted on various domains. One critical heuristic identified a malicious redirector link, and another flagged the extensive link farm. The document body, though partially corrupted, contains a URL that appears to be part of a lure for a 'Soundcloud er pro iphone' search, suggesting a phishing or scam attempt to drive traffic to malicious sites.

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.link/wix?keyword=soundcloud+er+pro+iphone In PDF document text
    • http://rivevu.blatheringpoint.com/uploads/1/3/1/0/131069839/2496210.pdfIn PDF document text
    • http://files.cvpitvn.com/uploads/1/3/1/6/131637553/mugotas.pdfIn PDF document text
    • http://lubabel.somaticsoundtherapeutics.com/uploads/1/3/0/8/130874211/lulixu.pdfIn PDF document text
    • http://files.sanjosedelosreynoso.com/uploads/1/3/1/4/131437139/438632.pdfIn PDF document text
    • http://files.sportingservices.net/uploads/1/3/0/9/130969744/mazogubifuraboba.pdfIn PDF document text
    • http://gepuzobi.danecountymedicalsociety.org/uploads/1/3/2/8/132814930/difij.pdfIn PDF document text
    • http://pumikaxa.adrianbaldwin.net/uploads/1/3/2/3/132302780/dukejilavugiget.pdfIn PDF document text
    • http://files.risers4u.com/uploads/1/3/1/3/131398533/rudonerosilemeg-gumuz-tinamukupodek.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/1/0434/2969/1558/files/answered_prayer_bible_verses.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/9776/0668/files/tidelorumibogitajewajakub.pdfIn PDF document text
    • https://static.usrfiles.com/ugd/8acad3_d57c9b097a5f4ad8b686425ac99c6a52.pdfIn PDF document text
    • https://static.usrfiles.com/ugd/8e6e76_d2df929cd3c6486482a0524c2a9decff.pdfIn PDF document text
    • https://static.usrfiles.com/ugd/51c472_b907f7fa6ced4904a9682ad01a9bde10.pdfIn PDF document text
    • https://static.usrfiles.com/ugd/95bb70_3e24a40faaeb41a688827b0f320df4f5.pdfIn PDF document text
    • https://static.usrfiles.com/ugd/9e14ca_5045cac381e84f3fa4e1f85f4491f3be.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 7

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_off000060cc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x60CC 4680 bytes
SHA-256: e2b9df09326a6c06c0d2fdd70c7d0cc4498052e809655627f5372e4747462305
font_01_sfnt_off00007091.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7091 10552 bytes
SHA-256: 4e9f1fee37b74c61c2979f1476bad93583f4263e45ca8beb3ad8a86897da4d5a
font_02_sfnt_off000094ba.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x94BA 4324 bytes
SHA-256: d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378

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