Malicious PDF — malware analysis report

Static analysis result for SHA-256 388d8e3cf74e418e…

MALICIOUS

PDF

43.9 KB Authoring application: Poppler-utils
MD5: da2812604874596d1c48e3fec3168c6c SHA-1: afa3b3161bab4932bd680df74e73b3388612fbe3 SHA-256: 388d8e3cf74e418e2f5e82c47f59ee23a860d730533263e25bb5ce5bc5f0aeb8
150 Risk Score

Malware Insights

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

The PDF file was flagged by multiple heuristics, including a critical PDF_SEO_LINK_FARM rule, indicating a mass of external links. The ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall' further supports a phishing or traffic redirection scheme. The embedded URLs are likely used to host further malicious content or redirect users to phishing sites.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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://doctorfieser.com/uploads/1/3/0/2/130272600/tarufifez_pevin.pdf
    • http://dif.03shopppp.fun/uploads/2020/01/28/wagudakule_ledavil.pdf
    • http://kelseyleonofficial.com/uploads/1/3/0/6/130621501/jabozixopabof.pdf
    • http://bikseriet.com/uploads/1/3/0/4/130489567/lutebajuroziv_bilenonofilu_rolebuwizawu_kusilugi.pdf
    • http://lanechnge.org/uploads/1/3/0/4/130488446/9b5c5c.pdf
    • http://mnalifestyleconnections.com/uploads/1/3/0/5/130589460/wemofozijogev-xazawirawu.pdf
    • http://gou-spo-mit.ru/uploads/2020/01/27/9824750.pdf
    • http://5puntocero.net/uploads/1/3/0/5/130588654/vikenuwip-nerari-vawujivuwajapud-kolimumi.pdf
    • http://motortainment.com.au/uploads/1/3/0/2/130272511/7553849.pdf
    • http://molly-boone-wed.com/uploads/1/3/0/2/130287311/pegosugukevolosedu.pdf
    • http://padiruzike.vipdating.icu/uploads/2020/01/27/8691054.pdf
    • http://promarstapleandnail.com/uploads/1/3/0/5/130540286/puzomemepa.pdf
    • http://fevikux.support-account.net/uploads/2020/01/27/webuvugupijisel-fefelimojet-puwir.pdf
    • http://rochecenter.org/uploads/1/3/0/6/130621125/130621125.html#acids+bases+and+salts+questions+and+answers

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000142a.bin
5c97aed52569eb25c379696de7f4cf5b4fb9c1fce255484f4c5646076c5961e0		 pdf-font-stream PDF embedded font (sfnt) at offset 0x142A 8248 bytes
font_01_sfnt_off00007092.bin
e2f1373bf3d70a40ff4276a486f0a1d2d32154e4f45ad1243a44c3d3b7d91cea		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7092 2652 bytes

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