PDF malware analysis — malicious · 58596304a65174fb

MALICIOUS

PDF

52.5 KB Created: 2020-08-05 08:58:26 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: bbb5ced02d9d0f1c808e06f9da9d2780 SHA-1: 08f1f05bb041b5a9e5339282c8bba6f0966d8077 SHA-256: 58596304a65174fbe73183885cfe50e7df6714d0f5f38e2eb5d99dab548ced50

128 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a significant number of embedded links, with a critical heuristic firing indicating a link farm pointing to a redirector service. The primary malicious URL identified is https://ttraff.com/pify?keyword=ackerman+proffit+classification+pdf, which is likely used to obscure the final destination of the attack. The presence of a 'download button' heuristic further suggests a lure to entice users to click on these links.

Heuristics 4

PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK

PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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
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 https://ttraff.com/pify?keyword=ackerman+proffit+classification+pdf
- http://files.halfmoonday.com/uploads/1/3/2/6/132683142/wazunizizew-mijogofu.pdf
- http://files.designsbycherylelise.com/uploads/1/3/1/1/131164382/7e1c3.pdf
- http://files.battechautomotive.com/uploads/1/3/0/7/130739415/8952725.pdf
- https://cdn.shopify.com/s/files/1/0439/2399/6840/files/18412484930.pdf
- https://cdn.shopify.com/s/files/1/0430/4610/9341/files/neremefedepulejonilepufed.pdf
- https://cdn.shopify.com/s/files/1/0429/3325/6345/files/88987925705.pdf
- https://cdn.shopify.com/s/files/1/0428/3380/5471/files/99504200613.pdf
- https://cdn.shopify.com/s/files/1/0431/4133/3147/files/53257276507.pdf
- https://cdn.shopify.com/s/files/1/0428/7853/3799/files/magunutakopur.pdf
- https://cdn.shopify.com/s/files/1/0431/5162/2306/files/fadoziwukujerorenusemux.pdf
- https://cdn.shopify.com/s/files/1/0431/5732/3925/files/gemikapo.pdf
- https://cdn.shopify.com/s/files/1/0440/6162/2437/files/alt_code_for_pi.pdf
- https://cdn.shopify.com/s/files/1/0428/7866/4867/files/rozupejozifiwome.pdf
- https://cdn.shopify.com/s/files/1/0433/2548/9320/files/brios_fair_oaks.pdf
- https://cdn.shopify.com/s/files/1/0438/5459/4213/files/xabosujuwuxizufagad.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 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00008f2d.bin` `448a1d504606070a2583e6218ded12ee40e8dd5f21f330fec9df32b66c24bffa`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8F2D	5356 bytes
`font_01_sfnt_off0000a14c.bin` `248ff258a772e5b2f9af871a2f2376d1f1bf525533c977cb4dd64088762fa3fc`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xA14C	10548 bytes

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