PDF malware analysis — malicious · 96975ee7dd701258

MALICIOUS

PDF

50.5 KB Created: 2020-08-21 08:56:38 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: a3a5a0ad5828926b4ac0ecce81a1cbce SHA-1: 9db865b4ca8b4f4bb938e5d10ed089900cf32e68 SHA-256: 96975ee7dd701258e72e71b4d451ad7a95e8047ee194f9bd5d6989568857b3ae

150 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains multiple embedded links, with one heuristic specifically identifying a link to a known malicious redirector. The document body, though heavily obfuscated, contains text related to an annual report, suggesting a lure. The primary malicious IOC is the redirector URL, which likely leads to further malicious content or exploits. No scripts were extracted from this sample.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

Heuristics 3

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.
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.cc/pify?keyword=cantabria+labs+annual+report
- http://fefos.boquetejazzandbluesfestival.com/uploads/1/3/0/7/130738950/1165333.pdf
- http://xomorik.trenchlessmd.com/uploads/1/3/2/6/132681946/timifupe.pdf
- http://files.shiftcowork.com/uploads/1/3/1/3/131379296/resusirujodomav.pdf
- https://cdn.shopify.com/s/files/1/0440/1024/2198/files/23186646040.pdf
- https://cdn.shopify.com/s/files/1/0431/4071/0566/files/lulodunusokel.pdf
- https://cdn.shopify.com/s/files/1/0431/8494/7357/files/69911085900.pdf
- https://cdn.shopify.com/s/files/1/0435/3120/6808/files/xizareruzezo.pdf
- https://cdn.shopify.com/s/files/1/0446/0707/8564/files/kaleidoscope_images_to.pdf
- https://cdn.shopify.com/s/files/1/0433/8368/5270/files/polygamy_in_south_africa.pdf
- https://cdn.shopify.com/s/files/1/0437/4626/3201/files/8045672862.pdf
- https://cdn.shopify.com/s/files/1/0431/1708/4833/files/58763890761.pdf
- https://cdn.shopify.com/s/files/1/0429/5560/4134/files/coca_cola_history.pdf
- https://cdn.shopify.com/s/files/1/0433/9538/3446/files/tobibutafuwisuxoxuwe.pdf
- https://cdn.shopify.com/s/files/1/0430/0328/1571/files/brink_season_2.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 4

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00006815.bin` `258fa357c0f3ba5c319f2f2cf787ebfe30be4a1e3fce1f487a0323cd776fefae`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6815	4856 bytes
`font_01_sfnt_off00007891.bin` `a36eee06fef6ce219692c4ec918276ac99413e4fd1e3666e4031624f9289d620`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7891	1800 bytes
`font_02_sfnt_off0000811e.bin` `b08a712dafc620925f93a1b5115ded6eb5a234202009821cc51d1cd85d46bb25`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x811E	10840 bytes
`font_03_sfnt_off0000a651.bin` `267047f5df84f183f1824fb9cc4b186ae88411380bf5861dd651f7b6f0294e4c`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xA651	16696 bytes

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