PDF malware analysis — malicious · b259665178752ab3

MALICIOUS

PDF

48.1 KB Created: 2020-08-23 21:41:27 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: b81d9af5cd7183d52787957033d6b199 SHA-1: bc769f2ca0fda7e93e094540d9e920397e554877 SHA-256: b259665178752ab30f1bd61df5271e231ec138b825e34c308a25589c02e9ab2d

150 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Phishing: Spearphishing Attachment T1204.002 Malicious Link

The PDF document exhibits characteristics of a link farm, containing numerous external links, many of which point to Shopify-hosted PDFs. One critical heuristic identified a link to a known malicious redirector infrastructure at 'ttraff.com'. This suggests the document's primary purpose is to lure users into clicking these links, potentially leading to malicious content or further compromise. No scripts were extracted from this sample.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

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=biosafety+and+bioethics+in+biotechnology+pdf
- http://files.affordabletowingnearme.com/uploads/1/3/1/3/131383297/pazijinageganoz_lerotudajoginoz_suxevoxiw.pdf
- http://files.johnpusateri.com/uploads/1/3/1/4/131454317/wonepavegogo-pojenidebe-vunuxajetakomu.pdf
- http://files.pst4y.org/uploads/1/3/0/7/130738814/piwagitasesesuwatug.pdf
- http://files.thomas.rentals/uploads/1/3/0/8/130814288/3254635.pdf
- http://files.neoyookai.com/uploads/1/3/0/9/130969191/wolewexovomefexusu.pdf
- https://cdn.shopify.com/s/files/1/0434/5420/2018/files/farmakologi_antasida.pdf
- https://cdn.shopify.com/s/files/1/0434/6200/0806/files/xixerizolizuromog.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/lozafawofife.pdf
- https://cdn.shopify.com/s/files/1/0431/6102/6719/files/jibakimemudepo.pdf
- https://cdn.shopify.com/s/files/1/0447/9424/9377/files/add_text_to_python.pdf
- https://cdn.shopify.com/s/files/1/0433/9197/5580/files/58100483954.pdf
- https://cdn.shopify.com/s/files/1/0433/8037/5704/files/piwenepigixi.pdf
- https://cdn.shopify.com/s/files/1/0429/7208/6423/files/xizonuletaxa.pdf
- https://cdn.shopify.com/s/files/1/0429/5085/2762/files/11758288836.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/94430640368.pdf
- https://cdn.shopify.com/s/files/1/0433/0212/5733/files/italiano_insurance_tampa.pdf
- https://cdn.shopify.com/s/files/1/0435/9513/7187/files/compress_files.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_off00007b88.bin` `e41d4662c7b15f51a0de0eeebb3c75983c090298d101a4b989afff2cbf76a6c5`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7B88	5612 bytes
`font_01_sfnt_off00008ea3.bin` `b2e7cfe8c2295349f1bf75fb6be90f0e0629296c89dcb6ec184b53ab70cfe0a7`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8EA3	11084 bytes

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