Malicious PDF — malware analysis report

Static analysis result for SHA-256 45047e0bebcdbcc9…

MALICIOUS

PDF

35.9 KB Created: 2020-05-13 09:43:52 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 409350d393b6a30e0bddd18b8c2a1e82 SHA-1: 81658a865078766832afbe789baa95cd8b1ec0d6 SHA-256: 45047e0bebcdbcc9dc43acd2621023bd7bc587a63a0291fcfe427c5db3464522
70 Risk Score

Malware Insights

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

The PDF document contains numerous external links, many of which point to PDF files hosted on various domains. The document body mentions 'software autocad 2013 gratis', suggesting a lure to download pirated software. The heuristic 'PDF_SEO_LINK_FARM' indicates a large number of external links, likely for SEO manipulation or to host malicious payloads. No scripts were extracted from this sample.

Heuristics 4

  • 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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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://adoptme.info/uploads/1/3/1/4/131454151/131454151.html#software+autocad+2013+gratis
    • http://ndishealthtoolkit.com/uploads/1/3/0/9/130969551/4be7bbdbfb2.pdf
    • http://vidafuente-wa.com/uploads/1/3/0/4/130477864/duzirevujomoropamas.pdf
    • http://b-meclub.org/uploads/1/3/0/2/130289476/5405841.pdf
    • http://herbasalus.store/uploads/1/3/1/6/131637631/a29bbfe4c1813.pdf
    • http://fairedfundingny.org/uploads/1/3/1/3/131379401/2772415.pdf
    • http://curbsentinel.com/uploads/1/3/1/4/131438888/2866045.pdf
    • http://qualityaerialproductions.com/uploads/1/3/1/3/131383842/b142e2b6d0bc0dd.pdf
    • http://elizashearts4haiti.org/uploads/1/3/0/6/130639192/soneserewisil.pdf
    • http://affordablebeautifulaccessoriessquaresite.com/uploads/1/3/1/3/131398333/5491655.pdf
    • http://freewheelcargo.com/uploads/1/3/0/7/130740376/448a369dfab.pdf
    • http://davidjentis.net/uploads/1/3/0/7/130738854/rikizuxosemo.pdf
    • http://pierrepaulbitton.net/uploads/1/3/1/1/131163931/f48d5.pdf
    • http://artarea.in/uploads/1/3/0/7/130739802/tuxokumu-vizalakerew.pdf
    • http://uglyproduceco.com/uploads/1/3/0/7/130775413/918b707.pdf
    • http://wildcrumbpickup.com/uploads/1/3/0/8/130814805/1969313.pdf
    • http://coloradofna.com/uploads/1/3/1/4/131438226/bibixaguj_soviziratekumed_gaxapu_xijamojajef.pdf
    • http://sabdeco.com/uploads/1/3/0/8/130814900/sofeju-wanuvir-nejejidegemu-vemamegumulev.pdf
    • http://spencesupplyco.net/uploads/1/3/0/6/130640057/2394262.pdf
    • http://oldprophetsrevivals.com/uploads/1/3/0/6/130621238/dinavijovewamesivew.pdf
    • http://alaskanlifephotography.net/uploads/1/3/0/6/130639541/latisutoguse.pdf
    • http://eyedenver.net/uploads/1/3/1/4/131437775/bejeno.pdf
    • http://leimmigrationlaw.com/uploads/1/3/1/6/131606231/giwerode_davuzapuse_xezavemofupev.pdf
    • http://shadesailsfla.com/uploads/1/3/0/3/130313203/dawetefes_jomajaxagede.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_off00006101.bin
e291047b8d66f641633f7bf8b32d00123b3d03dc070fb530bf0bf96643dc147c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6101 10124 bytes

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