PDF malware analysis — malicious · 4f3fffb10bcdccaa

MALICIOUS

PDF

45.2 KB Created: 2020-08-09 20:49:16 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: ff99a795a48bd44770ce32c680762da6 SHA-1: cc4076eb3978fe1f3781c2284df7f9c26fbb4325 SHA-256: 4f3fffb10bcdccaa752c4c9226474461b201edd582c89f4df33d5e3e05982f01

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a mass of external links, many pointing to Shopify domains, but one critical link directs to a known malicious redirector at ttraff.com. This suggests the document is part of an SEO poisoning or link farm attack designed to drive traffic to malicious infrastructure. No scripts were extracted from this sample.

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=ansi+flange+dimensions+in+mm+pdf
- http://files.oto-saigon.com/uploads/1/3/1/6/131637016/livimi-vawapaxaxuko-zibalafe.pdf
- http://xozelulu.mysunshinedistributors.com/uploads/1/3/0/9/130969754/261022.pdf
- http://files.busyseasonstaffing.com/uploads/1/3/0/7/130740264/jenibeditasamabudu.pdf
- http://files.daisyhillgoats.com/uploads/1/3/1/3/131380814/42528.pdf
- https://cdn.shopify.com/s/files/1/0441/3207/3624/files/clipsal_iconic_catalogue.pdf
- https://cdn.shopify.com/s/files/1/0433/3882/5887/files/81335321043.pdf
- https://cdn.shopify.com/s/files/1/0431/0145/4500/files/nouvelle_orthographe_acadmie_franaise.pdf
- https://cdn.shopify.com/s/files/1/0444/1381/2903/files/86096879332.pdf
- https://cdn.shopify.com/s/files/1/0439/1557/5464/files/51933834102.pdf
- https://cdn.shopify.com/s/files/1/0435/8357/0083/files/new_economy_toeic_2020.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/salelixakibikiziz.pdf
- https://cdn.shopify.com/s/files/1/0437/6687/4269/files/31988188968.pdf
- https://cdn.shopify.com/s/files/1/0434/2670/9665/files/capacitor_bank_protection.pdf
- https://cdn.shopify.com/s/files/1/0431/9520/3745/files/jubulimova.pdf
- https://cdn.shopify.com/s/files/1/0431/2875/0241/files/wedel.pdf
- https://cdn.shopify.com/s/files/1/0432/2128/7080/files/kazuo_inamori_books.pdf
- https://cdn.shopify.com/s/files/1/0430/3159/3113/files/zilavuso.pdf
- https://cdn.shopify.com/s/files/1/0435/2134/3647/files/5_finger_piano_songs_with_numbers.pdf
- https://cdn.shopify.com/s/files/1/0428/3770/4867/files/dixenadetedegujiparo.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_off000069d9.bin` `e53e82aa29d3864a42eaac8bc92d2e2fbb9a3a752a110f8d96a639a62ff27f9a`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x69D9	5256 bytes
`font_01_sfnt_off00007bb0.bin` `f7146d21908e5bde313c1006e04dbf63b9c0cf6db961edf1fbc8fdddca548739`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7BB0	13060 bytes

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