Malicious PDF — malware analysis report

Static analysis result for SHA-256 86a8773cc5b3cda3…

MALICIOUS

PDF

45.2 KB Authoring application: ImageMagick First seen: 2020-09-24
MD5: f9dd8b49b74f25c7c101511179f3215d SHA-1: 863a9d29be9a27ed8b2e5535c07c8889302d0926 SHA-256: 86a8773cc5b3cda38df9001869761e6af8cb31d008c41abf6e6c06572be03900
152 Risk Score

Malware Insights

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

The PDF contains a large number of embedded external links, identified by the PDF_SEO_LINK_FARM heuristic. These links point to numerous PDF files hosted on various domains, suggesting a link farm or a distribution mechanism for further malicious content. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or malware distribution.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9995

Heuristics 3

  • ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
  • 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.
  • 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://onesuggestion.net/uploads/1/3/0/6/130604789/48cd7a71.pdf In PDF document text
    • http://immediateinsight.net/uploads/1/3/0/5/130590273/rizogefun-denetu.pdfIn PDF document text
    • http://darkhorse-capital.com/uploads/1/3/0/6/130621284/e38bfb3cf839e2e.pdfIn PDF document text
    • http://blogwithme.club/uploads/1/3/0/5/130589399/jodapak-dekunaz-kuposixotijifi.pdfIn PDF document text
    • http://mailperspectives.com/uploads/1/3/0/6/130621890/zekapisenuda.pdfIn PDF document text
    • http://gabriellehasamearphotography.com/uploads/1/3/0/6/130621033/2497b9a0ee69e11.pdfIn PDF document text
    • http://222-big-bon.site/uploads/1/3/0/6/130620659/da3bb1e9.pdfIn PDF document text
    • http://hostmaster.exporttogroup.com/uploads/1/3/0/3/130379407/2d4c7968b4.pdfIn PDF document text
    • http://ooredooalgeria.net/uploads/1/3/0/8/130813804/sezidapil.pdfIn PDF document text
    • http://lattesandmore.com/uploads/1/3/0/6/130620916/jujavudof.pdfIn PDF document text
    • http://bestmassagescottsdale.com/uploads/1/3/0/6/130620689/fofilunaba-zezejeruwul.pdfIn PDF document text
    • http://peake.design/uploads/1/3/0/6/130604699/b906a988a6c85.pdfIn PDF document text
    • http://ulbsllc.com/uploads/1/3/0/6/130620431/bisomimewuw.pdfIn PDF document text
    • http://scottgieser.com/uploads/1/3/0/6/130621352/koxuzonijezi-liroduzarekame-jefubojil.pdfIn PDF document text
    • http://1988ltb.com/uploads/1/3/0/2/130271126/2d6ec675af411e.pdfIn PDF document text
    • http://cycotron.com/uploads/1/3/0/5/130588202/4229492.pdfIn PDF document text
    • http://sawtoothmountaincider.com/uploads/1/3/0/6/130603809/xuwojonejetu_bixubizafene_davasek.pdfIn PDF document text
    • http://coopermanselfdefense.com/uploads/1/3/0/7/130775657/bagezixawutat_takudugopinofeb_kajikije_vejumonosax.pdfIn PDF document text
    • http://corbeauphotos.com/uploads/1/3/0/4/130476917/1178441.pdfIn PDF document text
    • http://msmale.com/uploads/1/3/0/4/130476917/jumukudo_padofub.pdfIn PDF document text
    • http://www.redmountaincut.com/uploads/1/3/0/6/130621411/876a0cc14.pdfIn PDF document text
    • http://newearthwarrior.org/uploads/1/3/0/2/130287313/femafezefo.pdfIn PDF document text
    • http://numberyoga.com/uploads/1/3/0/4/130489386/gunoxobizen.pdfIn PDF document text
    • http://446.bpmtc.com/uploads/1/3/0/5/130539091/130539091.html#acanthosis+nigricans+treatment+ayurvedaIn PDF document text
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Related samples 3

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000035f8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x35F8 16036 bytes
SHA-256: 779aa567746046747dac965df7fdfb06ff632674a0a99ce247a327bf89f0fa63
font_01_sfnt_off00004d33.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4D33 8296 bytes
SHA-256: 18622d7d1d06772956226dac192fa4fe7800f90496197bdf46aad22a1d61720a

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