Malicious PDF — malware analysis report

Static analysis result for SHA-256 b9170362ba41bd76…

MALICIOUS

PDF

49.5 KB Created: 2020-03-12 02:56:26 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 8228418cd25ff0f70b67934b70dc38ec SHA-1: 3cba75b58d9af14496d5215217411b5f8f0903bd SHA-256: b9170362ba41bd761592ed425bbce31b1b65b34de2857f2988fa628619c8ab1f
62 Risk Score

Malware Insights

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

The PDF contains a large number of embedded URLs, many of which point to external websites. The heuristic 'PDF_SEO_LINK_FARM' indicates a mass of external links generated for SEO purposes, suggesting a link farm or SEO poisoning attack. The embedded URLs likely serve as lures to redirect users to malicious content or phishing pages. No scripts were extracted from this sample, limiting the ability to determine specific payload delivery mechanisms.

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://wildbreedfarms.com/uploads/1/3/0/2/130289670/130289670.html#enteropathogenic+e.+coli+%28epec%29+causes+gut+effacement+with+shiga+toxin
    • http://localzaa.com/uploads/1/3/0/6/130621812/776f2f4.pdf
    • http://ajakchinger.org/uploads/1/3/0/7/130775679/kubowepone_pimogikofekedit.pdf
    • http://wordpress-photography-themes.com/uploads/1/3/0/7/130775868/3121770.pdf
    • http://baumannengineering.ca/uploads/1/3/0/6/130604737/sepas-kuwixozugaxe.pdf
    • http://tangofever.net/uploads/1/3/0/2/130288532/620fd.pdf
    • http://optionthis.ca/uploads/1/3/0/5/130551338/buvaxewapineles_dopuvelar_bibunike_pijaxafido.pdf
    • http://nateveorganic.com/uploads/1/3/0/2/130288559/1ebc45ef514ee6.pdf
    • http://restaurantelabna.com/uploads/1/3/0/5/130550797/jajepawuvawesipakuvi.pdf
    • http://awenindependentarts.com/uploads/1/3/0/8/130874389/giduwiwez.pdf
    • http://infosoldier.com/uploads/1/3/0/7/130740376/1456304.pdf
    • http://www.jamicafundraise.com/uploads/1/3/0/6/130621619/supejibut_miveziloji_zimode.pdf
    • http://migeorgeson.com/uploads/1/3/0/4/130476943/c10d2e316.pdf
    • http://www.dunderhead.co/uploads/1/3/0/5/130540592/xazazixopedam.pdf
    • http://norcaltaxi.net/uploads/1/3/0/6/130605156/jalupobiz_muxepesodefub_zizososon_pukeges.pdf
    • http://colorblind.tv/uploads/1/3/0/2/130270792/sodog.pdf
    • http://directinservicetrainingtexas.com/uploads/1/3/0/6/130639648/1806083.pdf
    • http://rrerealtyservices.com/uploads/1/3/0/4/130483757/a82d51a87e11.pdf
    • http://www.texasagventures.com/uploads/1/3/0/7/130740521/8908395.pdf
    • http://kakadakhornblogs.com/uploads/1/3/0/6/130621219/4763914.pdf
    • http://personalinjurylawyersandiego.net/uploads/1/3/0/6/130620574/fuvigigemewigo.pdf
    • http://mialamaven.net/uploads/1/3/0/8/130874432/6462102.pdf
    • http://domaindujour.com/uploads/1/3/0/6/130639557/minemevoxa-resufagak.pdf
    • http://maison-roi.com/uploads/1/3/0/3/130313494/xowidujifevawit.pdf
    • http://fatgrandmadips.com/uploads/1/3/0/2/130289733/247303.pdf
    • http://lucidpapercuts.com/uploads/1/3/0/7/130739786/cafc490021.pdf
    • http://fatgrandmadips.c
    • 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_off0000972b.bin
b2f53b9410cf8458d7f90af5e72782882921122237800c0e455e336ebe9dcd9d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x972B 8284 bytes

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