MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of embedded links, many of which point to a redirector service known for malicious activity. The document body, though heavily obfuscated, appears to be a lure for flexible working requests, likely intended to trick users into clicking malicious links. The ML classifier strongly indicates maliciousness, and the presence of a link farm suggests an attempt to distribute malware or phish for credentials.
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.ru/pify?keyword=flexible+working+request+appeal+letter+template
- http://files.agefriendlybethel.org/uploads/1/3/2/6/132683005/7703249.pdf
- http://files.stdastoriayouth.com/uploads/1/3/2/6/132696335/wiporoxiwizisoli.pdf
- http://files.oldsskatingclub.ca/uploads/1/3/1/4/131437983/5f2af85.pdf
- http://files.drbriancasteels.com/uploads/1/3/1/8/131872178/3259337.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/86399573169.pdf
- https://cdn.shopify.com/s/files/1/0428/6545/9366/files/fajufulonesafebikoj.pdf
- https://cdn.shopify.com/s/files/1/0438/3653/9045/files/dexatuxag.pdf
- https://cdn.shopify.com/s/files/1/0431/4827/9970/files/64085671889.pdf
- https://cdn.shopify.com/s/files/1/0432/7600/9622/files/zuvokijag.pdf
- https://cdn.shopify.com/s/files/1/0435/1537/9866/files/daxenejojijofodakux.pdf
- https://cdn.shopify.com/s/files/1/0434/0580/3687/files/63605293498.pdf
- https://cdn.shopify.com/s/files/1/0434/7399/3890/files/posapijafo.pdf
- https://cdn.shopify.com/s/files/1/0429/6248/5407/files/74963843598.pdf
- https://cdn.shopify.com/s/files/1/0433/5036/0232/files/82810051745.pdf
- https://cdn.shopify.com/s/files/1/0434/8523/3302/files/dolalekoz.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006e50.binb5884b015a0797bb43ed30542a6146497c426d52afd6c5c3a9fd9bd0c15fb24c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6E50 | 5464 bytes |
font_01_sfnt_off000080e5.bin5e1040014f751ae34f7fd7967cbb7e1c0efbe0c5a8cc949d2ebbfd89cac5898a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x80E5 | 9856 bytes |
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