PDF malware analysis — malicious · 2155da6d33cd8b95

MALICIOUS

PDF

56.3 KB Created: 2020-08-19 15:21:38 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: c1f4c6eb3a6985a44b2c5da54d950f2d SHA-1: 8d453b1a7b9c776567c04c2e447f4c726f3fe85a SHA-256: 2155da6d33cd8b95c407d89dcfa4f652495c9f9315be1779642b4636d96fda3d

160 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains multiple embedded links, with one pointing to a known malicious redirector. The document body and heuristics indicate a lure for an advance-fee scam, likely aiming to trick the user into clicking the malicious link to claim a prize or parcel. The presence of numerous links, including a link farm, suggests an attempt to distribute malicious content or phish for information.

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.
Advance-fee lottery/parcel scam lure high SE_ADVANCE_FEE_SCAM_LURE

Document contains lottery/beneficiary or prize language together with large-value draft/funds wording and parcel/courier delivery requirements. This is a classic advance-fee fraud document shape.
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=masked+singer+season+2+episode+3+performance
- http://wuwus.luciademarcoillustrazioni.com/uploads/1/3/0/7/130775386/rudelesomuwama.pdf
- https://cdn.shopify.com/s/files/1/0431/2409/7175/files/53467087852.pdf
- https://cdn.shopify.com/s/files/1/0428/5209/0022/files/74414091464.pdf
- https://cdn.shopify.com/s/files/1/0435/5473/4235/files/67354084115.pdf
- https://cdn.shopify.com/s/files/1/0437/8935/3117/files/roxononufanasa.pdf
- https://cdn.shopify.com/s/files/1/0454/7330/0632/files/2nd_grade_phonics_assessment.pdf
- https://cdn.shopify.com/s/files/1/0435/2511/1972/files/bokedezozogaweg.pdf
- https://cdn.shopify.com/s/files/1/0435/8648/6440/files/36845913826.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/32150460784.pdf
- https://cdn.shopify.com/s/files/1/0429/8535/7463/files/kebusumagofizotutipoj.pdf
- https://cdn.shopify.com/s/files/1/0443/5096/3868/files/12090601233.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/wexanenivoxepabulolud.pdf
- https://cdn.shopify.com/s/files/1/0431/1180/9190/files/96937858220.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_off000084e1.bin` `ed06c515c1cc22dfb833b9a59146f451bc1b42c22f09943f98ba741171fd87b8`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x84E1	5808 bytes
`font_01_sfnt_off0000989d.bin` `4ace28cbb3c3ee14c2e9e9b7f9315f21e0d160143dc392fb90d21c77ab224252`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x989D	11480 bytes
`font_02_sfnt_off0000bec9.bin` `a8b3175009038fd0b36d272851454f9fd5e73b9a70874fb4018b32218f75eaa7`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xBEC9	16092 bytes

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