Malicious PDF — malware analysis report

Static analysis result for SHA-256 3ee9439eb2a65baf…

MALICIOUS

PDF

57.2 KB Created: 2020-06-21 07:53:58 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2020-09-24
MD5: 96775f80d95e0c5880421fc64abb709f SHA-1: e87b4cc9b44d835897cb9baa74127ccb08308553 SHA-256: 3ee9439eb2a65baf9e6f3e714ae84dac1e6a09e59825b48de22c8af300226d83
96 Risk Score

Malware Insights

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

The PDF document contains a significant number of external links, identified by the PDF_SEO_LINK_FARM heuristic, suggesting a link farm or SEO spam operation. The document body, though partially corrupted, contains text related to 'Jamies leveling guide horde' and includes a URL that points to a similar resource. The primary intent appears to be directing users to a network of websites, likely for malicious advertising, phishing, or to distribute further malware.

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://jagblitz.com/uploads/1/3/0/4/130476074/130476074.html#jamies+leveling+guide+horde PDF link annotation
    • http://comphysics.com/uploads/1/3/0/2/130270777/xamogevo.pdfIn PDF document text
    • http://boilerbustersri.com/uploads/1/3/0/9/130969437/1889473.pdfIn PDF document text
    • http://tanyaszommer.info/uploads/1/3/1/4/131438203/795869.pdfIn PDF document text
    • http://normalbodytemperature.co.uk/uploads/1/3/0/4/130483783/7394045.pdfIn PDF document text
    • http://mta-sts.carnabyvillagetownhomes.com/uploads/1/3/1/4/131453521/pilofugebagukaxof.pdfIn PDF document text
    • http://awingsproject.com/uploads/1/3/0/5/130550997/bekodejebik.pdfIn PDF document text
    • http://ipmofwa.com/uploads/1/3/1/4/131453170/kuxid_mebuxunigimimu.pdfIn PDF document text
    • http://marine.rtfmanufacturing.com/uploads/1/3/0/4/130488704/8831047.pdfIn PDF document text
    • http://maggietham.com/uploads/1/3/1/0/131070247/82d00eee.pdfIn PDF document text
    • http://reverbcrew.com/uploads/1/3/0/6/130621928/9055399.pdfIn PDF document text
    • http://mjcontractor.se/uploads/1/2/9/6/129642953/129642953.html?ourIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn 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

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000a260.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA260 5088 bytes
SHA-256: d8966429282e263bc527f01151a17423eb9fc00dc3923e153472e6c7114d560c
font_01_sfnt_off0000b370.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB370 11616 bytes
SHA-256: 46ce41ab16ddd58dec59b625911c975dab9da8ed17c7e4f37e607bf71686b9ba