Malicious PDF — malware analysis report

Static analysis result for SHA-256 d35325c65446b7fd…

MALICIOUS

PDF

52.5 KB Authoring application: Serif PagePlus
MD5: 1fc7ed99920befae797bdeb4322e673e SHA-1: 4a563e38b70cecf22d8becfaf865c3fc1f734800 SHA-256: d35325c65446b7fdd1eac6d001bff6fd01c755fb342ca9c33400a6469688b8ee
150 Risk Score

Malware Insights

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

The PDF file was flagged by multiple heuristics, including ClamAV and an ML classifier, as malicious. The primary attack pattern observed is a "PDF_SEO_LINK_FARM" which embeds a large number of external PDF links, likely to manipulate search engine results or redirect users to malicious sites. The embedded URLs are the highest priority IOCs for this threat.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

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.
  • ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
  • 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://monticellovets.com/uploads/1/3/0/6/130640109/pafuzaresi-papulapunawokir-gipukuxanuzuf.pdf
    • http://coleinvestigations.com/uploads/1/3/0/5/130540009/5199641.pdf
    • http://modernbyken.com/uploads/1/3/0/5/130551143/wiwugur.pdf
    • http://mysmilepaparazzi.com/uploads/1/3/0/4/130435594/lepijumu-karexavo-navetajaw-pesejiguwana.pdf
    • http://emoryinc.com/uploads/1/3/0/5/130540182/losen.pdf
    • http://gardenofedenmke.com/uploads/1/3/0/5/130551287/damaxepurefibom-furogo-xizuvogigana.pdf
    • http://rwgsportmanagement.com/uploads/1/3/0/5/130551127/f91538bd88ba5.pdf
    • http://amandasamanthabrookessecrets.com/uploads/1/3/0/5/130589131/317d3.pdf
    • http://r-ewolucje.com/uploads/1/3/0/4/130476760/tixemezufufevuda.pdf
    • http://seniorsafeathome.net/uploads/1/3/0/2/130273733/dabupowolataz.pdf
    • http://genius-encel.agency/uploads/1/3/0/6/130605380/zukazadotofaw_vezezozamowe_wexugiloza.pdf
    • http://nuobeijing.devsite-1.com/uploads/1/3/0/6/130620511/130620511.html#hd+whatsapp+status+malayalam

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001304.bin
b946d067f18d983828935cd0f914415b550277c9c658476d9727527989bc4c31		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1304 7712 bytes
font_01_sfnt_off0000668d.bin
eb9dcf6ab1892189b74ba783234d1af5d07188d447dbafa1054222ed99fedeed		 pdf-font-stream PDF embedded font (sfnt) at offset 0x668D 11736 bytes
font_02_sfnt_off000086f5.bin
9955a10f44b3bbd8f8c69af80e2423d9288745809d8e230d8c4621fdf1b04c07		 pdf-font-stream PDF embedded font (sfnt) at offset 0x86F5 16096 bytes

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