PDF malware analysis — malicious · f30fd2446bea9351

MALICIOUS

PDF

42.3 KB Created: 2020-08-06 05:34:31 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 61ce64fb2fe227e15e5fe44f5523cf50 SHA-1: 39c2c1a7caa51b84b855ebea519b27c8900b5986 SHA-256: f30fd2446bea935174f3f4d7272b82dd5a6643b0637f7a6fee603bbc6da8b717

120 Risk Score

Malware Insights

MITRE ATT&CK

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

The PDF contains a mass of external links, many of which point to potentially malicious redirectors. The primary malicious link identified is https://ttraff.cc/pify?keyword=applied+maths+1+book+pdf, which is likely used to redirect users to a malicious site. The document body contains garbled text but includes the malicious URL and numerous benign-looking PDF links, suggesting a link farm or SEO poisoning tactic to disguise the malicious intent. No scripts were extracted, but the PDF structure and embedded links strongly indicate a phishing or redirection attack.

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=applied+maths+1+book+pdf
- http://gigawe.weaversofeternity.com/uploads/1/3/1/6/131637016/5167637.pdf
- http://files.12monthbeauty.com/uploads/1/3/0/8/130874128/6301925.pdf
- http://files.thechangemanagementnetwork.com/uploads/1/3/1/4/131453018/2556142.pdf
- http://files.bbluntsheabutter.shop/uploads/1/3/1/3/131383018/bajof.pdf
- http://files.wellingtongraphics.net/uploads/1/3/1/3/131382217/xegamerolakas.pdf
- https://cdn.shopify.com/s/files/1/0432/3803/1518/files/smith_and_wesson_645.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/96704933611.pdf
- https://cdn.shopify.com/s/files/1/0431/0011/1009/files/28189076057.pdf
- https://cdn.shopify.com/s/files/1/0432/1184/9892/files/the_art_of_paragliding.pdf
- https://cdn.shopify.com/s/files/1/0434/5679/0695/files/ford_f350_parts_diagram.pdf
- https://cdn.shopify.com/s/files/1/0432/2315/4850/files/perfect_binary_tree.pdf
- https://cdn.shopify.com/s/files/1/0431/1249/7312/files/fufokakagu.pdf
- https://cdn.shopify.com/s/files/1/0432/1335/7214/files/zomejotazusafisugubopor.pdf
- https://cdn.shopify.com/s/files/1/0439/7367/3118/files/36268657313.pdf
- https://cdn.shopify.com/s/files/1/0431/6495/8879/files/84292738004.pdf
- https://cdn.shopify.com/s/files/1/0427/7331/5740/files/guilty_gear_ost.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_off000067b7.bin` `55660fcbf11d813a3bf8fc0247647338607d77ffd095f095dc18642bd485fdd7`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x67B7	5428 bytes
`font_01_sfnt_off00007a04.bin` `1377d5f02435f5e86573c673255738ca7cc1ab1b8c1e466c9a6dcb5045789a5c`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7A04	10136 bytes

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