MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded links, with one critical heuristic identifying a link to a known malicious redirector. The document body, though heavily obfuscated, contains text suggesting a lure related to 'causes of copd pdf' and includes the malicious URL. The presence of a large number of external PDF links, many hosted on Shopify, suggests a link farm or SEO poisoning tactic to distribute the malicious content.
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=causes+of+copd+pdf
- http://gesikab.eugenias3rdstreet.com/uploads/1/3/1/1/131164312/d52907d6a54a23.pdf
- http://files.wallyplastics.com/uploads/1/3/0/8/130813639/61113.pdf
- http://files.yogaunme.com/uploads/1/3/0/7/130738830/mezunezotikomipefa.pdf
- http://files.joyfulbeginningsschool.org/uploads/1/3/0/7/130775987/lekukujeba_xijuxexupudu.pdf
- https://cdn.shopify.com/s/files/1/0433/5792/9621/files/nubufetefefisokabe.pdf
- https://cdn.shopify.com/s/files/1/0431/2157/4049/files/bezirig.pdf
- https://cdn.shopify.com/s/files/1/0431/0417/4233/files/lexoxezumodogexijuvaf.pdf
- https://cdn.shopify.com/s/files/1/0431/5122/9089/files/50885505600.pdf
- https://cdn.shopify.com/s/files/1/0434/7199/5033/files/38124632322.pdf
- https://cdn.shopify.com/s/files/1/0432/3078/9800/files/adobe_ebook_reader_free_download.pdf
- https://cdn.shopify.com/s/files/1/0428/2158/3004/files/natunukuladufebak.pdf
- https://cdn.shopify.com/s/files/1/0434/0721/2695/files/xarixajezizimu.pdf
- https://cdn.shopify.com/s/files/1/0429/1500/4582/files/ramibokazivewolatodarab.pdf
- https://cdn.shopify.com/s/files/1/0432/9262/2998/files/25536095841.pdf
- https://cdn.shopify.com/s/files/1/0435/3681/0135/files/fakifa.pdf
- https://cdn.shopify.com/s/files/1/0431/3622/1351/files/96051162688.pdf
- https://cdn.shopify.com/s/files/1/0427/6636/8935/files/13220298338.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_off0000640b.bin47aed69019a2b2dd089123c606abe01042e604716a63c7878c5e2b12f00f473a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x640B | 4924 bytes |
font_01_sfnt_off000074e0.bin72c1734eabeb3e755bcc965a1c500d3d7b02f9f0452fe61008e267e76d0ca5cd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x74E0 | 10240 bytes |
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