PDF malware analysis — malicious · d8e3688b61832298

MALICIOUS

PDF

49.0 KB Created: 2020-08-19 17:51:12 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: a07447073d2214ca7ebda61bf515c16d SHA-1: 45f663900fade344a6951ff3e167178d41f18386 SHA-256: d8e3688b61832298568650224da7fc14ac04d23430ba1a86a1c18e4dfa373720

150 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains numerous links, many pointing to Shopify domains, but one critical link directs to a known malicious redirector. This redirector is likely used to obscure the final malicious destination. The document body, though heavily obfuscated, contains the same lure text and the malicious URL, indicating an attempt to trick users into clicking through to a harmful site, likely for credential harvesting or malware delivery.

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=2018+fantasy+football+cheat+sheet+cbs+sports
- http://lusaxu.paulmanningproductions.com/uploads/1/3/0/7/130738730/bopajideseje.pdf
- http://files.haysvillehornets.com/uploads/1/3/1/4/131483097/f046c.pdf
- http://files.epidesignlab.com/uploads/1/3/0/8/130813922/xizisutixesul-saxovirepawozaw-sarapiwidotenaz.pdf
- http://files.sethallenyoungphd.com/uploads/1/3/1/4/131436991/8021925.pdf
- http://files.plateauenglish.org/uploads/1/3/0/7/130775441/6832540.pdf
- https://cdn.shopify.com/s/files/1/0433/1329/9620/files/30253004574.pdf
- https://cdn.shopify.com/s/files/1/0437/1385/5643/files/induction_motor_working_principle.pdf
- https://cdn.shopify.com/s/files/1/0433/3164/9689/files/91482891564.pdf
- https://cdn.shopify.com/s/files/1/0438/3126/3394/files/17866759505.pdf
- https://cdn.shopify.com/s/files/1/0447/0479/2729/files/barron_s_gre_books.pdf
- https://cdn.shopify.com/s/files/1/0432/7188/0870/files/13373374029.pdf
- https://cdn.shopify.com/s/files/1/0429/9954/6009/files/98638800536.pdf
- https://cdn.shopify.com/s/files/1/0434/4892/6364/files/71713086638.pdf
- https://cdn.shopify.com/s/files/1/0462/6513/9354/files/31327696932.pdf
- https://cdn.shopify.com/s/files/1/0434/4256/9383/files/jofotudekanujus.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 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off000068c5.bin` `0f350095b7463d0fb68dfa0a2895ffb261a87b69ff94dea68e6c64558136b36d`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x68C5	5768 bytes
`font_01_sfnt_off00007c62.bin` `61195427ac998b3f431f33e7f45394c7c399639f9710022e20e14429a6a06880`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7C62	10128 bytes
`font_02_sfnt_off00009f5b.bin` `542462964dc9b2bcd3f85a6e2c205cebd8451fcfe86522e0aac0b87029e3f0c2`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9F5B	16708 bytes

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