MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of embedded links, many pointing to Shopify domains hosting other PDFs, and one critical link to a known malicious redirector. This suggests a link farm or SEO poisoning tactic designed to drive traffic to malicious infrastructure. The ML classifier also strongly indicated maliciousness.
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=undead+leveling+guide+vanilla+wow
- http://files.thetruthwebdesigns.com/uploads/1/3/2/6/132695829/benixov.pdf
- http://files.appalfoods.org/uploads/1/3/2/7/132710755/newigug-widufokit-dabojabi.pdf
- http://files.theclermontvenue.com/uploads/1/3/0/8/130813516/45e546481.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0431/5276/9192/files/dajilupopunazififajumiwa.pdf
- https://cdn.shopify.com/s/files/1/0432/0926/1217/files/56511641126.pdf
- https://cdn.shopify.com/s/files/1/0436/0667/1517/files/27869122003.pdf
- https://cdn.shopify.com/s/files/1/0432/1322/6143/files/21327129075.pdf
- https://cdn.shopify.com/s/files/1/0440/5955/8053/files/90690824469.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/42820491308.pdf
- https://cdn.shopify.com/s/files/1/0434/4601/0022/files/53536813929.pdf
- https://cdn.shopify.com/s/files/1/0434/8523/3318/files/89742735672.pdf
- https://cdn.shopify.com/s/files/1/0431/1410/2941/files/50991219437.pdf
- https://cdn.shopify.com/s/files/1/0436/1371/6643/files/dutirizerivagagonimatoli.pdf
- https://cdn.shopify.com/s/files/1/0430/5692/2777/files/judobigivopoworezavabu.pdf
- https://cdn.shopify.com/s/files/1/0428/9114/9475/files/wasaxikatadu.pdf
- https://cdn.shopify.com/s/files/1/0432/3573/7764/files/90459191756.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_off00008c92.bin00b44335127d2a9f4efd35daf814009c1af49873e4b4b772661019e19953106d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8C92 | 4664 bytes |
font_01_sfnt_off00009c8a.bin02d9e91bbeec1eb11b6de8facdd276d8b91e559cf1cd6328d4b99c048956a130 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9C8A | 10148 bytes |
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