Malicious PDF — malware analysis report

Static analysis result for SHA-256 02eb8db9dbe44e88…

MALICIOUS

PDF

47.5 KB Created: 2020-03-27 04:49:52 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6) First seen: 2026-05-08
MD5: 6f2e3dba73298c4856874ceaefac46d4 SHA-1: 97988d21eefd8f5a1a4ee2796ef49703a48ee5ee SHA-256: 02eb8db9dbe44e882fc6015b009e2476072ae1f869f476ff3cf42dd071abb934
96 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1105 Ingress Tool Transfer

The PDF contains a large number of embedded URLs, identified as a link farm, suggesting a tactic to drive traffic to external sites. The ML classifier also flagged this PDF as malicious with high confidence. No scripts were extracted, and the document body is heavily obfuscated, preventing a more detailed analysis of the specific lure.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 4

  • 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.
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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 http://charlesfoto.net/uploads/1/3/0/7/130775979/130775979.html#understanding+and+using+english+grammar+pdf PDF link annotation
    • http://sale-info.website/uploads/1/3/0/6/130605016/4bad1274a0.pdfIn PDF document text
    • http://kinelyon6.com/uploads/1/3/0/7/130738765/jizerewaloja.pdfIn PDF document text
    • http://xbee.info/uploads/1/3/0/6/130621060/53b7a0772bdb83a.pdfIn PDF document text
    • http://grfinancial.net/uploads/1/3/0/5/130590029/523ce510193.pdfIn PDF document text
    • http://www.bethmeyers.com/uploads/1/3/0/9/130969839/mabuvif_refurozofon_sofepilinotili.pdfIn PDF document text
    • http://thinkhappyvibehappy.com/uploads/1/3/0/2/130289695/02fe44fe.pdfIn PDF document text
    • http://3d-printer-sex-toys.com/uploads/1/3/0/6/130604259/8399d400e2.pdfIn PDF document text
    • http://www.kidsplayperthca.com/uploads/1/3/0/5/130539912/somomolito_jepatapurova.pdfIn PDF document text
    • http://www.avhirelondon.org/uploads/1/3/0/2/130272330/66eea8f0b79.pdfIn PDF document text
    • http://stardiscenterprise.com/uploads/1/3/0/7/130775868/61e814b73ab4.pdfIn PDF document text
    • http://hunnycombevents.com/uploads/1/3/0/4/130436152/c129c7ac419424f.pdfIn PDF document text
    • http://www.figeroo-designs.com/uploads/1/3/0/8/130874388/vifibaledoviw_zisazetitadix_jewitanu.pdfIn PDF document text
    • http://comfortablechristianity.com/uploads/1/3/0/4/130490301/fulixowekalolaxegig.pdfIn PDF document text
    • http://epochhealthandwellness.com/uploads/1/3/0/8/130813961/6965214.pdfIn PDF document text
    • http://www.healthytshirts.com/uploads/1/3/0/5/130551153/fixitukidofejano.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://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Related samples 8

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_off00006f25.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6F25 7512 bytes
SHA-256: 99394cb24d7b63045e4c2572893a9b91bb4733177c4b147c113af3085c07e85f
font_01_sfnt_off00008c91.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8C91 2484 bytes
SHA-256: 0a74f62927e6506cf556ce04093ddaf717254a888a2313c4e0126ed6d6ed1ae5
font_02_sfnt_off0000961b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x961B 16780 bytes
SHA-256: 360a3aa3838e657cc6094e0e2c3f7c0ba365610dac03d55ff0e7434e20c8cc3c

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