Malicious PDF — malware analysis report

Static analysis result for SHA-256 60e57ff11ec6fed1…

MALICIOUS

PDF

37.2 KB Created: 2020-05-25 19:43:53 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 41ba7cb1b5a518c77455d5dfa8237fda SHA-1: 584243a6d696bf822893814d27743bb948f340b8 SHA-256: 60e57ff11ec6fed1b7c618be6b86c7ac9784b0a1a57b3f28a68e0e5c9e105a0f
96 Risk Score

Malware Insights

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

The PDF document contains a large number of embedded URLs, identified as a link farm, designed to redirect users to external sites. The document body, though partially obfuscated, contains a URL that appears to be part of this redirection scheme. The ML classifier strongly indicated maliciousness, supporting the assessment of a malicious link distribution pattern.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

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://host144.carmichaelnl.com/uploads/1/3/1/4/131407493/131407493.html#don%2527+t+leave+me+alone+lyrics
    • http://65rosesnme.com/uploads/1/3/0/8/130814122/4818629.pdf
    • http://islandessencejewelry.com/uploads/1/3/1/6/131606866/papepigisodade-wumumirimomo-xuluma.pdf
    • http://raykakobiella.com/uploads/1/3/0/7/130775342/bixirivitaje.pdf
    • http://alaskaprostartinvitational.com/uploads/1/3/0/8/130874246/3962019.pdf
    • http://sixbyone.co.nz/uploads/1/3/0/2/130270994/a398d71cc935.pdf
    • http://prosperloans.org/uploads/1/3/0/3/130379193/6780139.pdf
    • http://allureexclusive.com/uploads/1/3/1/4/131407459/tivagesogin.pdf
    • http://samadhiyogaschool.org/uploads/1/3/1/6/131606408/1eac73.pdf
    • http://jabir-organix.com/uploads/1/3/0/6/130640109/midobo.pdf
    • http://showthemhowllc.com/uploads/1/3/1/1/131164007/1089151.pdf
    • http://slowyourrolloki.com/uploads/1/3/1/6/131636698/tevufolo_bafidarezusitug_kevoravefuguti.pdf
    • http://rizwanaliexecutive.com/uploads/1/3/0/7/130775643/227376.pdf
    • http://tbbnx.com/uploads/1/3/0/5/130551523/vonetemoleda_nevevukubevizal_fafikebapoliva_tikufipu.pdf
    • http://ebblebuilding.co.uk/uploads/1/3/0/6/130639753/16ae8.pdf
    • http://xn--rckentherapeut-gsb.com/uploads/1/3/0/4/130435561/jojafokubifu_dasekerikewusal.pdf
    • http://ph-filter.com/uploads/1/3/0/6/130639117/fbb9ce7aa1d1.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/
    • http://scripts.sil.org/OFL

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00005b9f.bin
7edde0c27c4027118b4f4a608440613ebe83e8ff52811481ebfd9c1c44f944c3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5B9F 18960 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.