Malicious PDF — malware analysis report

Static analysis result for SHA-256 fca8b3e171139006…

MALICIOUS

PDF

40.7 KB Created: 2020-03-08 12:38:46 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 571afd00bd32771c8e34b4f8ec941b75 SHA-1: 037933b0168be9fe4e8f3d37bf8a3f3f5076f2bb SHA-256: fca8b3e17113900609bf1137d1df3d20ee5762cfad86c9a765c1eca7d94502c1
70 Risk Score

Malware Insights

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

The PDF contains a deceptive call-to-action and numerous links to external PDFs, many of which appear to be hosted on unrelated domains. The primary link suggests a lure for downloading software, likely a pretext for malware delivery. The PDF_SEO_LINK_FARM heuristic indicates a large number of outbound links, characteristic of SEO spam or phishing pages designed to host malicious content.

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://www.octaquad.se/uploads/1/3/0/3/130323266/130323266.html#download+foxit+reader+for+windows+7+64+bit
    • http://thedailyliz.com/uploads/1/3/0/6/130640110/81e90.pdf
    • http://webmail.creativecayla.com/uploads/1/3/0/7/130775893/5398144.pdf
    • http://delevade-nieuwenrode.club/uploads/1/3/0/7/130776646/busesapokugutuf-lagolux-pikevugegoguziz-gesezo.pdf
    • http://mundotainos.com/uploads/1/3/0/5/130550803/e82fbe.pdf
    • http://friend-vibes.com/uploads/1/3/0/4/130489240/7facdeb9ee2f.pdf
    • http://autodiscover.nikkialexanderphotos.com/uploads/1/3/0/7/130738912/6d4ada695.pdf
    • http://mikeshomepage.net/uploads/1/3/0/2/130270836/1897039.pdf
    • http://www.texturedartyarneducation.com/uploads/1/3/0/3/130323207/0d27243c16e6bd.pdf
    • http://dlplastictech.com/uploads/1/3/0/3/130313698/a2a149a058e7.pdf
    • http://carousellearning.com/uploads/1/3/0/5/130588749/c8b471427b3.pdf
    • http://tastydairy.club/uploads/1/3/0/5/130551011/diwebaralodiwa.pdf
    • http://sher-rydesigns.com/uploads/1/3/0/5/130543575/6999517.pdf
    • http://www.andreserpoosh.com/uploads/1/3/0/5/130551049/0745033ba.pdf
    • http://breathemia.com/uploads/1/3/0/5/130546593/sijuxusararum_gawowaruweg_xowoluzopalaboz.pdf
    • http://medinatransportinc.com/uploads/1/3/0/6/130603743/33304.pdf
    • http://simplywabi-sabi.com/uploads/1/3/0/3/130324331/877064a5.pdf
    • http://gritnursingreview.ca/uploads/1/3/0/6/130620382/9413084.pdf
    • http://hostmaster.eastleighgojuryukarate.com/uploads/1/3/0/4/130476294/sajonapomol_rowev_lijoju.pdf
    • http://www.claudiarosales.com/uploads/1/3/0/2/130287269/2770976.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_off0000737a.bin
ba1e7ab97a8c8aff176f86129adc0f61ac492b80726704f98d0adda30c245529		 pdf-font-stream PDF embedded font (sfnt) at offset 0x737A 8220 bytes

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