Malicious PDF — malware analysis report

Static analysis result for SHA-256 b8704fbefb12ed68…

MALICIOUS

PDF

51.3 KB Created: 2020-03-14 23:53:35 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 8c4898be3e1ebddc6449368d1cecf104 SHA-1: 5bc2521d6e3357c36c33ff96ddbdc52bff7d23c8 SHA-256: b8704fbefb12ed68c1cd2b09b61997cf818195d64bc07e26abf2a1eaa2ebaf53
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious File

The PDF file contains a large number of external links to other PDF files hosted on various domains. This technique is often used for SEO manipulation or to distribute malicious content through a link farm. No scripts were extracted, but the sheer volume of outbound links suggests a coordinated effort to redirect users to potentially harmful content. The document body itself is largely unreadable, but the presence of the phrase 'Man- to- man defense guide pdf' alongside the embedded URLs indicates a potential lure.

Heuristics 3

  • 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
  • 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://autodiscover.bardosdiamondsports.com/uploads/1/3/0/2/130291365/130291365.html#man-+to-+man+defense+guide+pdf
    • http://asbestosinamerica.com/uploads/1/3/0/7/130776747/2570919.pdf
    • http://albertedwardhops.com/uploads/1/3/0/8/130874378/getobitixugo-nubos-xijomabekavugu.pdf
    • http://mixadep.space/uploads/1/3/0/5/130588674/aab84acd53.pdf
    • http://dealershipaccountingservices.com/uploads/1/3/0/3/130323552/wuzoruvofifomu.pdf
    • http://a1asphaltsealcoat.com/uploads/1/3/0/4/130488157/fd631417.pdf
    • http://eddiecastle.com/uploads/1/3/0/5/130551554/liputo_gekud_mojesewideviji_migedufego.pdf
    • http://hightaste.org/uploads/1/3/0/9/130968960/06d20a7.pdf
    • http://webdisk.hamilkerrchallenge.com/uploads/1/3/0/3/130379711/tepopadefigi.pdf
    • http://www.youngathletickids.com/uploads/1/3/0/3/130323100/f6ed6.pdf
    • http://www.createforcharity.org/uploads/1/3/0/2/130288731/232035574.pdf
    • http://www.j80na.org/uploads/1/3/0/8/130874247/1838146.pdf
    • http://herlocker.net/uploads/1/3/0/5/130589199/2733821.pdf
    • http://sherlockhomeless.com/uploads/1/3/0/6/130604666/0b6eaa.pdf
    • http://allsportssuperpool.com/uploads/1/3/0/7/130738969/b1b2c7397d7.pdf
    • http://teckell.net/uploads/1/3/0/2/130271113/jinowifasu.pdf
    • http://www.re-rigged.com/uploads/1/3/0/5/130551004/xulufizogapuk.pdf
    • http://mail.sherrirodgers.com/uploads/1/3/0/7/130740363/c3b5ced25.pdf
    • http://michael-ortiz-design.com/uploads/1/3/0/4/130483537/zajamu.pdf
    • http://autodiscover.savethebear.org/uploads/1/3/0/3/130312923/bc2c08d18290b.pdf
    • http://mikewilliamslivemusic.com/uploads/1/3/0/6/130639655/vugurogamoterov.pdf
    • http://javajivemugs.com/uploads/1/3/0/5/130550714/sewejot-lokab.pdf
    • http://azmakeupbyhannah.com/uploads/1/3/0/5/130550796/6bb6995ee14442.pdf
    • http://peaceofmindhomeinventory.com/uploads/1/3/0/7/130775398/dulazezafokixagogura.pdf
    • http://mx.twisumi.com/uploads/1/3/0/6/130621148/pipox.pdf
    • 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/

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00009b74.bin
862881778cab61878f0aa35422eab9e294eab728696f5ebcab89dfb449ac0df7
pdf-font-stream PDF embedded font (sfnt) at offset 0x9B74 9232 bytes