PDF malware analysis — malicious · 261c424d45f8a6f0

MALICIOUS

PDF

42.2 KB Created: 2020-08-06 23:25:20 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 8a96bab894fcad32231ec6c3d4139e64 SHA-1: f3360c4b56159b9dd71654b6289e4c13857a6a7a SHA-256: 261c424d45f8a6f018a420746845d94497daf6133a14df2954da185cbedfa85e

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF document contains a mass of external links, including a critical link to a known malicious redirector at 'ttraff.com'. The document body, though partially corrupted, contains text related to PDF conversion and the malicious URL, suggesting a lure to a phishing or malware distribution site. No scripts were extracted, but the presence of numerous SEO-optimized PDF links points to a link farm or SEO poisoning 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.com/pify?keyword=convert+pdf+to+mobi+kindle+online+free
- http://ritivo.mamachakula.com/uploads/1/3/1/0/131070161/a937dabd27f51.pdf
- http://tejonuvof.mrdombaza.com/uploads/1/3/2/7/132740978/pedifirug_xoropajuves.pdf
- http://files.korahcvs.com/uploads/1/3/1/1/131163788/guzit.pdf
- http://files.stevenmmillerphotography.com/uploads/1/3/1/4/131454466/97d2b47179c.pdf
- https://cdn.shopify.com/s/files/1/0428/2934/9030/files/19110131333.pdf
- https://cdn.shopify.com/s/files/1/0428/1093/3414/files/27411687233.pdf
- https://cdn.shopify.com/s/files/1/0437/9095/8749/files/jujeluv.pdf
- https://cdn.shopify.com/s/files/1/0430/4211/1650/files/xozobuta.pdf
- https://cdn.shopify.com/s/files/1/0434/3123/1649/files/sosogiladadojew.pdf
- https://cdn.shopify.com/s/files/1/0428/2882/4742/files/votamejidules.pdf
- https://cdn.shopify.com/s/files/1/0438/2579/1138/files/fasobalelilifowamixe.pdf
- https://cdn.shopify.com/s/files/1/0431/5699/6247/files/ropatuseratipuke.pdf
- https://cdn.shopify.com/s/files/1/0431/9212/3554/files/27835821048.pdf
- https://cdn.shopify.com/s/files/1/0428/4488/1059/files/86289041431.pdf
- https://cdn.shopify.com/s/files/1/0431/8589/7627/files/74323116253.pdf
- https://cdn.shopify.com/s/files/1/0435/7872/0414/files/naxalurawalisazuvemi.pdf
- https://cdn.shopify.com/s/files/1/0440/1404/3294/files/55532388027.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_off000053be.bin` `8a248a87ca684035e2c9e16e6ebae73622ac7a98d13f7fe033f0773144f8fe01`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x53BE	4968 bytes
`font_01_sfnt_off00006490.bin` `1790a450670b782d11a95e92fac3a5533cf3c1d75138428108ff7c57b932b34d`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6490	9964 bytes
`font_02_sfnt_off000086f9.bin` `75fb5eda6c80430b94b20cb0daa906e0e98a9f633c3ecfcf71c743d7414a59fc`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x86F9	16076 bytes

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