PDF malware analysis — malicious · 218afe6eaa4916e0

MALICIOUS

PDF

54.8 KB Created: 2020-08-06 00:18:24 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: e1c27908ebff4a6db426c363ebde1993 SHA-1: 797e8943fa22fa0cd1e1c01d4f2da0635b5273a3 SHA-256: 218afe6eaa4916e00da06e7e5fe9c9c4c0e012aae792379f7cb6833499bd0ebb

162 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF file contains a large number of external links, many of which point to a link farm hosted on cdn.shopify.com. One critical heuristic identified a link to a known malicious redirector infrastructure at https://ttraff.cc/pify. Additionally, the document body contains text and embedded URLs that suggest a lure for MFA or one-time code harvesting. No scripts were extracted from this sample, but the presence of malicious redirectors and MFA lures indicates a phishing or credential harvesting attempt.

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.
MFA / one-time-code harvesting lure high SE_MFA_LURE

Document asks for a one-time code, authenticator approval, or MFA confirmation — consistent with credential phishing kits that steal session tokens or abuse multi-factor authentication
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=askep+marasmus+pdf
- http://files.lishammons.com/uploads/1/3/1/4/131406498/773ba.pdf
- http://files.rebuildingself.com/uploads/1/3/0/8/130874359/wenisububobiv_fewinutujo_nolozale.pdf
- http://files.leandromorgado.com/uploads/1/3/2/3/132303035/6378557.pdf
- http://files.nzplantservices.com/uploads/1/3/0/9/130969772/8864188.pdf
- http://files.teachers-academy.org/uploads/1/3/1/3/131380985/nabunasotof-zewawarigerudab-difatetopow-jixanesex.pdf
- https://cdn.shopify.com/s/files/1/0431/3802/3581/files/martin_lawrence_snl_monologue.pdf
- https://cdn.shopify.com/s/files/1/0440/1748/3934/files/30680234643.pdf
- https://cdn.shopify.com/s/files/1/0433/9476/0862/files/42998475533.pdf
- https://cdn.shopify.com/s/files/1/0434/5869/1232/files/17985760507.pdf
- https://cdn.shopify.com/s/files/1/0430/7497/7945/files/nebojibaj.pdf
- https://cdn.shopify.com/s/files/1/0435/6413/8651/files/fexijexet.pdf
- https://cdn.shopify.com/s/files/1/0432/8436/5468/files/kodudunazudun.pdf
- https://cdn.shopify.com/s/files/1/0433/3476/2655/files/93798881461.pdf
- https://cdn.shopify.com/s/files/1/0433/7047/9766/files/tafabemotubina.pdf
- https://cdn.shopify.com/s/files/1/0429/4973/8650/files/25582384252.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_off000099d3.bin` `dec04fdee40ef58637cf19caa59b29dd487c7dfa0487385db6715cca39989729`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x99D3	5208 bytes
`font_01_sfnt_off0000ab76.bin` `12fffb6ca049c1b72f92aa40dced26526fa18da922bcca33d289fca94d8e0c47`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xAB76	10188 bytes

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