PDF malware analysis — malicious · d04f44d647d41a40

MALICIOUS

PDF

42.8 KB Created: 2020-08-03 18:52:42 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 5c1e1cced40aafe8474161f0be7e7cb5 SHA-1: 94b4eb77ea33416fee55496fd0f6b44c44a0cd84 SHA-256: d04f44d647d41a405117e53f7d467a245a56cbc38aff575246d8ad1c0e80ace5

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains numerous links, with one critical heuristic identifying a link to a known malicious redirector at 'https://ttraff.cc/pify?keyword=isometric+view+in+autocad+pdf'. The document body, though heavily obfuscated, contains this same URL, suggesting the primary purpose is to redirect the user to malicious infrastructure. The presence of many external links also indicates a link farm, often used to improve SEO for malicious sites or to distribute malware.

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=isometric+view+in+autocad+pdf
- http://files.heartpieces.net/uploads/1/3/1/3/131379749/3776242.pdf
- http://files.dkgquebec.com/uploads/1/3/1/8/131871864/goserodidarubo_xiwudo_bavusafi_wulujowenonab.pdf
- http://files.mindfulawakening108.com/uploads/1/3/0/7/130738681/daravuzun.pdf
- http://files.dikaios-legal.com/uploads/1/3/1/4/131437236/e59f4ffb2.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/49816413057.pdf
- https://cdn.shopify.com/s/files/1/0432/0342/8510/files/happy_new_year_clipart_2017.pdf
- https://cdn.shopify.com/s/files/1/0435/5453/7624/files/53073257828.pdf
- https://cdn.shopify.com/s/files/1/0429/9954/6009/files/kajemisunaverokad.pdf
- https://cdn.shopify.com/s/files/1/0440/8619/8424/files/95328731448.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/vasopamomakazemujavinis.pdf
- https://cdn.shopify.com/s/files/1/0431/7990/1079/files/potozebibu.pdf
- https://cdn.shopify.com/s/files/1/0433/7103/6835/files/70097959070.pdf
- https://cdn.shopify.com/s/files/1/0432/6513/0660/files/98109050831.pdf
- https://cdn.shopify.com/s/files/1/0433/6130/4744/files/sml_list_functions.pdf
- https://cdn.shopify.com/s/files/1/0431/4474/1015/files/human_anatomy_mckinley_o_loughlin.pdf
- https://cdn.shopify.com/s/files/1/0429/7896/7703/files/wewexafezadopololu.pdf
- https://cdn.shopify.com/s/files/1/0431/9785/7954/files/famovukikugofuxuxe.pdf
- https://cdn.shopify.com/s/files/1/0434/5298/9605/files/99436613336.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_off00006978.bin` `fcee08e55b9edc6153baab54fde50a719a20b61e8f0973965ba80d9de03359d1`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6978	5360 bytes
`font_01_sfnt_off00007bad.bin` `ffaa25791341f181ec90c40fb8affeb7b9375ebc137ee51040e83e3f4675fdd7`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7BAD	10044 bytes

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