MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a high number of embedded links, with one identified as a malicious redirector. The ML classifier also strongly indicated maliciousness. The primary attack pattern involves luring users to click on these links, which likely leads to a phishing page or malware download. No scripts were extracted, and the document body was heavily obfuscated.
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.com/pify?keyword=stomatal+density+pdf
- http://files.andrewshainker.com/uploads/1/3/1/4/131407493/mejowubosalil-lodoro-gizatafujipo.pdf
- http://files.coffsharbourmassage.com/uploads/1/3/1/3/131380058/xivaf.pdf
- http://files.bradleywilliamsart.net/uploads/1/3/2/3/132302910/rofulasamolisax.pdf
- http://files.realenglish-online.com/uploads/1/3/1/4/131453171/migoxofomufesugog.pdf
- https://cdn.shopify.com/s/files/1/0427/4490/5884/files/mikevulurofexozux.pdf
- https://cdn.shopify.com/s/files/1/0434/8359/4917/files/45107527940.pdf
- https://cdn.shopify.com/s/files/1/0438/8939/3816/files/fifth_grade_math_workbook.pdf
- https://cdn.shopify.com/s/files/1/0436/9845/4682/files/fowatuzinilifitomu.pdf
- https://cdn.shopify.com/s/files/1/0432/1568/3744/files/joana_s_leveling_guide.pdf
- https://cdn.shopify.com/s/files/1/0431/1190/7488/files/33604542930.pdf
- https://cdn.shopify.com/s/files/1/0435/8039/1585/files/98514341120.pdf
- https://cdn.shopify.com/s/files/1/0436/4078/3008/files/4352980124.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/50398535586.pdf
- https://cdn.shopify.com/s/files/1/0429/2021/4681/files/fekelil.pdf
- https://cdn.shopify.com/s/files/1/0437/9623/4400/files/94402520960.pdf
- https://cdn.shopify.com/s/files/1/0434/0688/5020/files/www._starbucks._com_card.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_off0000965b.bin3be541c61d76e97780145ee214f58e3e19b1a923c6d81fe29e3f08f1ffd7b13c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x965B | 5296 bytes |
font_01_sfnt_off0000a857.bin059c74c4f30aa9b31d97e56dd954402c9e5bfeb5a0269272905734a0fcf14466 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA857 | 11064 bytes |
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