Malicious PDF — malware analysis report

Static analysis result for SHA-256 c37dd291aa5ab971…

MALICIOUS

PDF

55.3 KB Created: 2020-03-31 03:43:35 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 4b13813f7b4a1e1fb55dd41c3583a785 SHA-1: 996b2e8d81b5b4b04145e340b70d4edc4c775c5d SHA-256: c37dd291aa5ab971c2a4c98948b35141e4011a4afa9ab2ade086b3d89d33a2c4
62 Risk Score

Malware Insights

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

The PDF document contains a large number of external links, a technique commonly used for SEO poisoning or to redirect users to malicious websites. The heuristic 'PDF_SEO_LINK_FARM' specifically identifies this behavior, indicating the document's primary purpose is to host a farm of links. No scripts were extracted from this sample, limiting further analysis of its direct execution behavior.

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://securitytechnologysolutions.com/uploads/1/3/0/4/130475881/130475881.html#enfoques+didacticos+pdf
    • http://morningtuneup.com/uploads/1/3/1/1/131163977/4a8c8.pdf
    • http://bolingbrookpainters.com/uploads/1/3/0/7/130740048/satasi.pdf
    • http://mynorthstarcares.com/uploads/1/3/1/3/131383207/6840650.pdf
    • http://anindependentdelta.com/uploads/1/3/0/4/130476887/7672303.pdf
    • http://3rivers.com.au/uploads/1/3/0/8/130814471/nujokunu_wirujarexatex_gojezorafuvirif.pdf
    • http://agenciaaduanalahmmedperezsrl.com/uploads/1/3/0/7/130775405/xudatokiduv-wanub-lelalenev.pdf
    • http://morganascloset.com/uploads/1/3/0/3/130323631/2793494.pdf
    • http://n�ringskonferansen.no/uploads/1/3/0/3/130323250/govudebepovaloxemo.pdf
    • http://cf-racing.com/uploads/1/3/0/6/130621636/niliroxiladuko.pdf
    • http://measurise.nl/uploads/1/3/1/0/131071180/9541053.pdf
    • http://bir-limited.com/uploads/1/3/0/6/130639915/85de84f3c6d13.pdf
    • http://steammd.com/uploads/1/3/0/4/130483507/0709ebfa2e8b.pdf
    • http://fitiv50.com/uploads/1/3/0/8/130814226/kikamati.pdf
    • http://northeastwaterdamage.net/uploads/1/3/0/5/130541031/natowefawekivo-dipabuxugoz-xabesenofogujav-mexurisuve.pdf
    • http://jointdevelopment.foundation/uploads/1/3/1/3/131380042/sidazomurekotuwur.pdf
    • http://tammyandtommystravels.com/uploads/1/3/0/2/130289063/7233219.pdf
    • http://bimbobloggin.com/uploads/1/3/0/5/130589222/b090bb.pdf
    • http://remote.newtonbd.com/uploads/1/3/0/9/130969170/mowidisizomulagesek.pdf
    • http://besteverdogtraining.com/uploads/1/3/0/4/130477039/fefuxeveriw_zaxenetilaw_xowipogomane_jumufumukep.pdf
    • http://personallyyoursstaging.net/uploads/1/3/1/3/131398017/7061085.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_off0000ad29.bin
556cef2af359066857f357807f20212f7ae7fe86516c4d30e82d5465ae00c015		 pdf-font-stream PDF embedded font (sfnt) at offset 0xAD29 9244 bytes

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