PDF malware analysis — malicious · 280c6a3d5d5b2e37

MALICIOUS

PDF

36.2 KB Created: 2020-08-11 07:57:36 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: a7cf35ef261828e5617930aa6d8a07c5 SHA-1: 2a07e3dcff027ee190d326fd0cc9413e5e1e1809 SHA-256: 280c6a3d5d5b2e3782a1e513c285929dde8f9a9ddadf77bc5bf416969b516603

150 Risk Score

Malware Insights

MITRE ATT&CK

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

The PDF contains a large number of embedded links, many pointing to Shopify domains, but one critical link directs to a known malicious redirector at ttraff.com. This suggests a phishing or social engineering attempt to lead the user to malicious content. The document body, though partially corrupted, contains the target URL, reinforcing the malicious intent. 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=libro+biocentrismo+robert+lanza+pdf
- http://files.peoriasupertow.com/uploads/1/3/0/7/130740521/pujox.pdf
- http://luzobaku.anncottrellfree.org/uploads/1/3/1/3/131380005/6e14e0.pdf
- http://files.tiffanylynnengler.com/uploads/1/3/0/7/130775762/zawuvesesixa_fiwabukefi_jebabovogaxi.pdf
- http://files.craftworksmusic.org/uploads/1/3/0/7/130740257/8f9ddb6538d53b.pdf
- https://cdn.shopify.com/s/files/1/0434/8503/6708/files/67467144465.pdf
- https://cdn.shopify.com/s/files/1/0433/3066/6651/files/lesibotubefu.pdf
- https://cdn.shopify.com/s/files/1/0434/8752/7078/files/35952090141.pdf
- https://cdn.shopify.com/s/files/1/0433/7496/8986/files/free_calligraphy_printables.pdf
- https://cdn.shopify.com/s/files/1/0437/0631/9001/files/rise_of_afrikaner_nationalism_essay.pdf
- https://cdn.shopify.com/s/files/1/0429/7952/4759/files/muzixud.pdf
- https://cdn.shopify.com/s/files/1/0428/9989/8531/files/iphone_6_plus_user_guide.pdf
- https://cdn.shopify.com/s/files/1/0432/6588/4323/files/kevemeg.pdf
- https://cdn.shopify.com/s/files/1/0433/2634/1272/files/volaxuxijojimosipu.pdf
- https://cdn.shopify.com/s/files/1/0438/9827/3944/files/kuxetinarovixekabur.pdf
- https://cdn.shopify.com/s/files/1/0429/3525/5203/files/91298701259.pdf
- https://cdn.shopify.com/s/files/1/0429/7188/9817/files/xunagejibotilatipenopu.pdf
- https://cdn.shopify.com/s/files/1/0433/9567/8357/files/rojaluru.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_off00004bdd.bin` `456cecebd5b23ecb7ae53e621d7b5c9bc04360b7f9448476776d30f2a70d48e8`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x4BDD	5432 bytes
`font_01_sfnt_off00005e38.bin` `d2390827d1f752cb406eab08a8af05e0ce467a2b29ad2f4e9d84464b8317e186`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5E38	11124 bytes

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