Malicious PDF — malware analysis report

Static analysis result for SHA-256 afbdec84672269da…

MALICIOUS

PDF

62.0 KB Authoring application: OpenOffice.org
MD5: 3a8a1264279d9d156b6062bcf7d2703f SHA-1: 45accdd4ab8a1335abdd7a6f540e67bbd22e7663 SHA-256: afbdec84672269da7a37db3c8fa06c4981589f120447b19dde81a9f538bf5241
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded URLs pointing to external PDF documents. This behavior is indicative of a link farm or a phishing campaign designed to drive traffic to malicious content. The ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports the malicious classification. The document body itself appears to be malformed or contains obfuscated content, but the primary malicious activity is the extensive use of external links.

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://natalie-coppola.com/uploads/1/3/0/4/130435516/5478282.pdf
    • http://europeanclayroofing.com/uploads/1/3/0/5/130541765/tanediga_nizeduzodejo_natifuko_lavoresi.pdf
    • http://tammybombsaway.com/uploads/1/3/0/7/130775732/0f1a5a601aa96.pdf
    • http://laschober.net/uploads/1/3/0/3/130379232/xazopi.pdf
    • http://risesportscast.com/uploads/1/3/0/5/130545784/26d7d8.pdf
    • http://english-log-cabins.com/uploads/1/3/0/7/130738929/638e18e.pdf
    • http://www.gaulke4assembly.net/uploads/1/3/0/6/130605453/rurevijidefux.pdf
    • http://alexlyn.co/uploads/1/3/0/4/130476102/jadenujajasagi.pdf
    • http://astoriafilmfest.com/uploads/1/3/0/7/130740049/lodatozuso_rajibidirudif.pdf
    • http://beleeflaos.be/uploads/1/3/0/7/130739224/2467078.pdf
    • http://stadiacatering.com/uploads/1/3/0/3/130379167/2508475.pdf
    • http://a-7713.com/uploads/1/3/0/5/130543855/d24e904c.pdf
    • http://askwiseguys.com/uploads/1/3/0/2/130272271/2929d4f62.pdf
    • http://mta-sts.mx.williamtellantiques.com/uploads/1/3/0/5/130588550/wadowazavafesatus.pdf
    • http://renderbarn.com/uploads/1/3/0/8/130814874/tonaxetapibe.pdf
    • http://www.bluegoosepropertyservices.com/uploads/1/3/0/8/130814966/8402714.pdf
    • http://natashaforouzannia.net/uploads/1/3/0/8/130874307/muluvi-fuziwaxu-dipabirijomukob-lafepugakajuwo.pdf
    • http://provencherdesigns.com/uploads/1/3/0/8/130813736/4282387.pdf
    • http://clarionbobcatfootball.com/uploads/1/3/0/2/130292098/kokelefewumodel_xijeliw_netebesuseg_dupegirozid.pdf
    • http://ucblbsa.com/uploads/1/3/0/6/130604604/wufasilosefepen-sebas.pdf
    • http://campchow.net/uploads/1/3/0/7/130739366/pazijalozij_rivobulezajose_sijunofo_wavubevexit.pdf
    • http://icarusairlines.com/uploads/1/3/0/8/130813992/solixazez_ratewe_gaxavedela.pdf
    • http://club8inch.com/uploads/1/3/0/6/130605312/903741.pdf
    • http://mci-ourhotelsportal.devsite-1.com/uploads/1/3/0/5/130539679/130539679.html#cephalosporins+drugs+mnemonics

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000010a4.bin
0840d98ee0b7ee3362c3ec5e3fcf377087949ed84e3f3dae40ebde5338cc5829
pdf-font-stream PDF embedded font (sfnt) at offset 0x10A4 9200 bytes
font_01_sfnt_off00008e34.bin
6dc6e07f93ae70488a19e8a398a1c6cda2f5723fc3d3cbe180c5afbb10c3611e
pdf-font-stream PDF embedded font (sfnt) at offset 0x8E34 2864 bytes
font_02_sfnt_off00009802.bin
25b60e994ea27990c0786aa8f8d90d1c4a1712360669d7c5c1d36862085feb32
pdf-font-stream PDF embedded font (sfnt) at offset 0x9802 16724 bytes