PDF malware analysis — malicious · f3616d09ae0d96f3

MALICIOUS

PDF

37.1 KB Created: 2020-08-04 14:50:05 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 6de00844e8522319e90cc7702456ff71 SHA-1: 79aac903624f6bf3778fcf1f34d92855b652ac54 SHA-256: f3616d09ae0d96f3f1a8d449b56d0285050a6614a7b395a16c3b07fe446f7f2f

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a large number of external links, including a critical link to a known malicious redirector at 'https://ttraff.com/pify?keyword=bestiario+hp+lovecraft+pdf+descargar'. This suggests the document's primary purpose is to redirect users to malicious infrastructure, likely for phishing or malware delivery. The document body, though heavily obfuscated, contains references to PDF downloads and the malicious redirector URL, reinforcing this attack pattern.

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.com/pify?keyword=bestiario+hp+lovecraft+pdf+descargar
- http://files.theuniform.store/uploads/1/3/1/0/131070469/c6edf93d9e3f98f.pdf
- http://files.taoslightandshadow.com/uploads/1/3/1/4/131408017/a0eaee1.pdf
- http://files.jimburnsarchitect.com/uploads/1/3/1/3/131379846/4116433.pdf
- http://files.newtonchineseschool-1.org/uploads/1/3/0/7/130775921/rupepikekuximenobatu.pdf
- https://cdn.shopify.com/s/files/1/0440/6041/0006/files/winid.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/1261535930.pdf
- https://cdn.shopify.com/s/files/1/0436/9501/4056/files/44000075713.pdf
- https://cdn.shopify.com/s/files/1/0430/0665/6665/files/synonym_for_teacher.pdf
- https://cdn.shopify.com/s/files/1/0432/9422/8630/files/duxobexinunovajubuj.pdf
- https://cdn.shopify.com/s/files/1/0428/7945/1292/files/introduction_to_thermal_physics_schroeder_solutions.pdf
- https://cdn.shopify.com/s/files/1/0428/0378/9991/files/3040306650.pdf
- https://cdn.shopify.com/s/files/1/0436/0133/0339/files/fetozipijedaki.pdf
- https://cdn.shopify.com/s/files/1/0434/8719/9394/files/kemefinujaneju.pdf
- https://cdn.shopify.com/s/files/1/0428/6880/1695/files/mopegorodalabaza.pdf
- https://cdn.shopify.com/s/files/1/0434/4581/3414/files/89110520757.pdf
- https://cdn.shopify.com/s/files/1/0429/9191/1066/files/pagunitedotusewewukegef.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/54903558396.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_off0000533c.bin` `9beaf3bdbc5ad22d617495406b3db89cd8fe24ac9a8299cc9e6417d6c1a47898`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x533C	5524 bytes
`font_01_sfnt_off00006610.bin` `3f31f8d13cca3461e86cbb603902336a6a4c0ef187c63d52847128073182848c`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6610	9852 bytes

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