Malicious PDF — malware analysis report

Static analysis result for SHA-256 cd119263f69331e6…

MALICIOUS

PDF

54.0 KB Created: 2020-03-26 10:02:18 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: b13a207a10f59fda39e7337421853369 SHA-1: 0f28216e0d6f2986e0ca6726abf9c8a538302c7e SHA-256: cd119263f69331e6159d75d03d9c888d970d902269b31ee34939ae76d9d5262e
92 Risk Score

Malware Insights

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

The PDF file was flagged by a machine learning classifier as malicious. It contains a large number of external links, indicative of a link farm or SEO spam tactic. The primary URL found is http://mypcm.biz/uploads/1/3/0/7/130775310/130775310.html#interpretacion+del+ratio+de+rotacion+de+capital+de+trabajo, which likely leads to a malicious or deceptive page. No scripts were extracted, and the document body is largely unreadable binary data.

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.
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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://mypcm.biz/uploads/1/3/0/7/130775310/130775310.html#interpretacion+del+ratio+de+rotacion+de+capital+de+trabajo
    • http://www.roboshear.com.au/uploads/1/3/0/5/130551518/zosugowiloxem_vijej.pdf
    • http://wowletstravel.com/uploads/1/3/0/6/130604782/pawukure-didenevewag-kilururites.pdf
    • http://pivotingdigital.com/uploads/1/3/0/6/130639462/8026729.pdf
    • http://jxdirector.com/uploads/1/3/0/5/130590678/pemozetanikudeki.pdf
    • http://liquidmetalbracelet.com/uploads/1/3/0/2/130289583/4922446.pdf
    • http://earringsforislands.net/uploads/1/3/0/8/130873759/rusedetawabi.pdf
    • http://hackshacklifemadesimple.com/uploads/1/3/0/7/130739663/aedcd6f250eb.pdf
    • http://floursackcapemedia.com/uploads/1/3/0/4/130483125/ac5219593f20b4.pdf
    • http://oliviawinter.net/uploads/1/3/0/4/130483408/3296711.pdf
    • http://disabilityeduk.org/uploads/1/3/0/2/130272330/2167b9e2a0.pdf
    • http://emmajamesboutique.shop/uploads/1/3/0/7/130776639/topebezitasej_bujevowu_padituj_saxitu.pdf
    • http://gregorymorrisaltoonapa.com/uploads/1/3/0/6/130603954/868ce59149.pdf
    • http://www.childrensdepot.info/uploads/1/3/0/5/130589268/luridev.pdf
    • http://thenakedproject.net/uploads/1/3/0/8/130874513/ae5aea0a644833.pdf
    • http://www.thebestninemonths.com/uploads/1/3/0/6/130639837/noxeborodo_kitudo.pdf
    • http://atlkickball.com/uploads/1/3/0/6/130640116/kegidabukefisora.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000a776.bin
4faca126e9d95d7e7cdd77498290074ad776f84a637af679105780864ae9e854		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA776 9072 bytes

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