MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a critical heuristic firing indicating it links to known malicious redirector infrastructure. The document body, though heavily obfuscated, contains a URL that appears to be a lure for downloading a PDF. The presence of numerous external PDF links, many hosted on Shopify, suggests a link farm intended to drive traffic to the malicious redirector.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF 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.
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall 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.
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne 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=seventh+day+adventist+hymnal+pdf+download
- http://files.dogsinks.com/uploads/1/3/1/4/131437041/2664419.pdf
- http://files.stockporttherapy.com/uploads/1/3/1/3/131381031/04a548e.pdf
- http://files.sandysbakeryanddeli.com/uploads/1/3/0/7/130740297/b9f4e0.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0431/9189/4176/files/58387942387.pdf
- https://cdn.shopify.com/s/files/1/0431/5509/5708/files/18280331471.pdf
- https://cdn.shopify.com/s/files/1/0434/3260/7894/files/rimatavu.pdf
- https://cdn.shopify.com/s/files/1/0436/9884/7896/files/57552006602.pdf
- https://cdn.shopify.com/s/files/1/0431/3333/7768/files/kiduvajusoxitana.pdf
- https://cdn.shopify.com/s/files/1/0429/9964/4314/files/skf_ball_bearings_catalogue.pdf
- https://cdn.shopify.com/s/files/1/0430/0839/3369/files/movex.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/danedogorolulefumatexa.pdf
- https://cdn.shopify.com/s/files/1/0433/5537/3720/files/zorofoposikikasepagiwa.pdf
- https://cdn.shopify.com/s/files/1/0430/4296/3613/files/59025427985.pdf
- https://cdn.shopify.com/s/files/1/0435/5319/4133/files/human_genetics_books.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/
- http://scripts.sil.org/OFL
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00004759.binebf501b2bfe0b3f139dc14e23bddb7b6ad6ea0625b0110e62f6df8b7c7be26ec |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4759 | 5540 bytes |
font_01_sfnt_off00005a24.bin8b1f233c6a7c4fd0d1569106921b58cd7bee76db873e76301dc43ffc09650955 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5A24 | 4532 bytes |
font_02_sfnt_off000066b6.bin625fdaa8c9a1c14f9acee2dc378e376d460eca8bbaec1237c83fccd7cc5f9a6e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x66B6 | 10140 bytes |
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