Malicious PDF — malware analysis report

Static analysis result for SHA-256 5dc71e5ec6acded6…

MALICIOUS

PDF

143.5 KB Authoring application: Inkscape
MD5: 0c1eecd078cfd1a90727b5fb23d5a377 SHA-1: 84f7bbae371846d42dce3056aaa7cebf389665c5 SHA-256: 5dc71e5ec6acded62a6cde4bed2a361a766d4a5113ce1464f8c9be343e07de64
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded URLs pointing to external PDF files, indicating a link farm or content distribution strategy. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware distribution. Although no scripts were explicitly extracted, the PDF structure and embedded URLs are indicative of an attempt to redirect the user to malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9991

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://myfineswine.com/uploads/1/3/0/4/130483875/mikit.pdf
    • http://tellurions.com/uploads/1/3/0/6/130621836/6190596.pdf
    • http://mjbjacobs.com/uploads/1/3/0/6/130620268/2896363.pdf
    • http://wearthenature.com/uploads/1/3/0/5/130543264/wuvufuditana_vovexogizen_dazegijuxirula_paretureb.pdf
    • http://garrett4delegate.com/uploads/1/3/0/4/130488100/rurimijefofoki_bepuzosijeg_bemirujot_rugefolet.pdf
    • http://ginettelaw.com/uploads/1/3/0/5/130550911/d86b1be0706ff36.pdf
    • http://sparklingpeach.net/uploads/1/3/0/4/130489226/92ab71e58.pdf
    • http://preparedmealstogo.com/uploads/1/3/0/2/130273610/bujak_durexijivakoko_paxipipofirat_zukenu.pdf
    • http://laihlasmum.com/uploads/1/3/0/8/130874146/1956a.pdf
    • http://hostmaster.pashminaforme.co.uk/uploads/1/3/0/7/130775828/7d00f68b60ce.pdf
    • http://streamacoach.com/uploads/1/3/0/8/130814052/2569300.pdf
    • http://www.foundationlevelinglott.com/uploads/1/3/0/7/130739452/zamodanagobebodepisi.pdf
    • http://drome-provence-gite.com/uploads/1/3/0/4/130483260/8b85aab2.pdf
    • http://www.cristinmcintyre.com/uploads/1/3/0/7/130740502/darobopujo.pdf
    • http://nomadicwellness.com/uploads/1/3/0/7/130740209/4942627.pdf
    • http://www.carpentrykingstonuponhull.com/uploads/1/3/0/8/130873915/zekibejopeka_kelakepowosopew.pdf
    • http://melindamiguel.com/uploads/1/3/0/4/130478004/50b42d521f64b.pdf
    • http://cnchomecrafts.net/uploads/1/3/0/7/130739893/6040d0908b3.pdf
    • http://trackpics.ca/uploads/1/3/0/4/130476065/57c712.pdf
    • http://amandamerica.com/uploads/1/3/0/5/130588382/bfa3a6.pdf
    • http://bodybybuoy.com/uploads/1/3/0/6/130639510/27677a2.pdf
    • http://sonshineflowersandgifts.com/uploads/1/3/0/7/130739963/bunojegisoxeneniko.pdf
    • http://adsl-63-204-18-21.benefitplans.org/uploads/1/3/0/2/130288492/130288492.html#quran+pak+ki+tafseer+in+urdu+mp3+free+download
    • http://melindamiguel.com/uploads/1/3/0/4/130478004/50b42d521f64b.pdf������
    • http://cnchomecrafts.net/uploads/1/3/0/7/130739893/6040d0908b3.pdf������
    • http://trackpics.ca/uploads/1/3/0/4/130476065/57c712.pdf������
    • http://amandamerica.com/uploads/1/3/0/5/130588382/bfa3a6.pdf������
    • http://bodybybuoy.com/uploads/1/3/0/6/130639510/27677a2.pdf������
    • http://sonshineflowersandgifts.com/uploads/1/3/0/7/130739963/bunojegisoxeneniko.pdf������
    • http://dejavu.sourceforge.net
    • http://dejavu.sourceforge.net/wiki/index.php/License
    • http://www.gnu.org/copyleft/gpl.html

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_004_off0001c82a.bin
d437be226859a85f60203f7fbc825e061c5611cd18f5945ba8b4da8b787b9a72		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x1C82A 35468 bytes
font_00_sfnt_off00001528.bin
778c525346753c5b3c77c1656b33514b0c726d57a6e4fe733059cd7bc006467c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1528 8236 bytes
font_01_sfnt_off0001ba82.bin
1f6d928b75f2222609c49efe8fc45fe95d63f4dc7f585d44b33b762ebfbdc587		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1BA82 1636 bytes

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