Malicious PDF — malware analysis report

Static analysis result for SHA-256 2750496edf7f33d2…

MALICIOUS

PDF

42.8 KB Authoring application: Soda PDF First seen: 2020-09-24
MD5: a03f1b0cc85aaa89d2b2cdb55b55b130 SHA-1: b756ebd86372ce812262cf48389627a277fb0034 SHA-256: 2750496edf7f33d27b020945af27e94c8a454f18297673138c0e947b5bb7f07c
192 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links to external PDF files hosted on various domains. This behavior is indicative of a link farm or a phishing campaign designed to redirect users to potentially malicious content. The ClamAV detection and ML classifier further support the malicious nature of this file.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 4

  • 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.
  • PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINK
    PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
  • 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://stoneysbarandgrill.com/uploads/1/3/0/6/130640081/a06c9390.pdf In PDF document text
    • http://anomadadventure.com/uploads/1/3/0/5/130545493/848535.pdfIn PDF document text
    • http://hxcoding.com/uploads/1/3/0/5/130543546/nidelomudekegaf-mepesip.pdfIn PDF document text
    • http://m-almanac.org/uploads/1/3/0/8/130813998/rarafox.pdfIn PDF document text
    • http://mail.7161hydra.com/uploads/1/3/0/5/130550824/xupumudo-wojenamebet-luwevaluzugose-mepimimeso.pdfIn PDF document text
    • http://mail.bushpilot.com/uploads/1/3/0/4/130493248/wadofuwo-pavawosega-delaxijugigisuw.pdfIn PDF document text
    • http://kellyrobertson.net/uploads/1/3/0/3/130313144/4231433.pdfIn PDF document text
    • http://sideoftheroad.life/uploads/1/3/0/8/130814225/ronidolanut.pdfIn PDF document text
    • http://scottsdaleemergencyplumber.com/uploads/1/3/0/4/130476981/7696253.pdfIn PDF document text
    • http://mrhibbert.com/uploads/1/3/0/6/130639107/bitalafumi.pdfIn PDF document text
    • http://lune-blanc.com/uploads/1/3/0/7/130739454/sokunamujuj.pdfIn PDF document text
    • http://dayrave.com/uploads/1/3/0/4/130483202/lekijenikama.pdfIn PDF document text
    • http://botoxalpharetta.com/uploads/1/3/0/4/130476921/gadogegujite.pdfIn PDF document text
    • http://magiccat.co.uk/uploads/1/3/0/5/130588931/gilasebala-nilonudad.pdfIn PDF document text
    • http://amcdistribution.ca/uploads/1/3/0/6/130620469/ad26684e30668be.pdfIn PDF document text
    • http://www.juandavid.com/uploads/1/3/0/3/130323705/9748615.pdfIn PDF document text
    • http://morningtonpeninsulacaravanstorage.com/uploads/1/3/0/5/130589205/5d6f23ae.pdfIn PDF document text
    • http://flygirlfitness.com/uploads/1/3/0/4/130494871/2944006.pdfIn PDF document text
    • http://www.edsl-france.fr/uploads/1/3/0/6/130639321/nivusowizobibewom.pdfIn PDF document text
    • http://xn--pfnderhonig-m8a.com/uploads/1/3/0/6/130605346/890f7b6.pdfIn PDF document text
    • http://admgems.com/uploads/1/3/0/5/130542775/a0b45ba07.pdfIn PDF document text
    • http://baseballtoolkit.com/uploads/1/3/0/7/130739127/38dedbbd62.pdfIn PDF document text
    • http://visionsofadventure.com/uploads/1/3/0/2/130272636/fec50f3d55.pdfIn PDF document text
    • http://jokebits.net/uploads/1/3/0/7/130775228/c76fee.pdfIn PDF document text
    • http://sta-66-99-58-204.ladse.org/uploads/1/3/0/6/130639360/130639360.html#revalidation+criteria+for+analytical+method+validationIn PDF document text

Related samples 8

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

Full JSON: related samples API

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000429f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x429F 8552 bytes
SHA-256: f188e905992cef7c28203d42de69b2c99031a9cabe22a0574327e174c5196ffb

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