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 known malicious redirector infrastructure. The document body, though heavily obfuscated, suggests a lure related to a 'chemistry laboratory manual book'. The presence of a large number of external PDF links, many hosted on cdn.shopify.com, indicates a link farm strategy to obscure the ultimate malicious destination.
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=chemistry+laboratory+manual+book
- http://files.egwt.ca/uploads/1/3/1/4/131453252/2199424.pdf
- http://files.byraephotography.com/uploads/1/3/2/7/132740327/saxiki-ruradevabozon-loresesa-zigojis.pdf
- http://files.simixagriculture.com/uploads/1/3/2/6/132695294/0360bb4635472.pdf
- http://files.galwayhairandlashco.com/uploads/1/3/0/7/130739480/sonit-rotujiw-bowowemo.pdf
- http://files.intelligentwoundcare.com/uploads/1/3/1/3/131379085/vedivi_pegugikavu.pdf
- https://cdn.shopify.com/s/files/1/0433/4488/7963/files/53215688899.pdf
- https://cdn.shopify.com/s/files/1/0433/6097/7048/files/pejivawadeli.pdf
- https://cdn.shopify.com/s/files/1/0429/9803/8679/files/bigulefutovoguteribabile.pdf
- https://cdn.shopify.com/s/files/1/0427/9749/8535/files/76796349885.pdf
- https://cdn.shopify.com/s/files/1/0432/6028/0982/files/55162639411.pdf
- https://cdn.shopify.com/s/files/1/0440/6630/8246/files/tesabuxexesezagoruxapidi.pdf
- https://cdn.shopify.com/s/files/1/0433/0268/2789/files/jikupinerigim.pdf
- https://cdn.shopify.com/s/files/1/0431/5394/8836/files/63889909730.pdf
- https://cdn.shopify.com/s/files/1/0437/5894/4405/files/fiwiwobuzowifijipa.pdf
- https://cdn.shopify.com/s/files/1/0440/1656/6422/files/72659983117.pdf
- https://cdn.shopify.com/s/files/1/0439/6879/0686/files/pasorawugofesoseduk.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/
- https://cdn.shopify.com/s/files/1/0432/
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005c29.bind4925173491d2c7596173458a4bd20af56fc5270557657a589dc5859e3fbd375 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5C29 | 5136 bytes |
font_01_sfnt_off00006d7b.bine2e8532924dc4618836579c33e06d29b03c683bf556c9ac470ccebea3880d0ec |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6D7B | 10152 bytes |
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