MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a mass external link farm, with a critical heuristic firing for a malicious redirector link. The embedded URL points to 'https://ttraff.cc/pify?keyword=quimica+inorganica+pdf+chang', which is likely intended to redirect the user to a malicious site. The document body, though heavily obfuscated, contains the same URL, reinforcing the lure.
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=quimica+inorganica+pdf+chang
- http://larubit.instaencouragements.com/uploads/1/3/2/6/132681409/7064806.pdf
- http://files.burnshirthills.com/uploads/1/3/1/6/131636792/penoli-wavoluke-difejugej-rulinoberif.pdf
- http://files.valeriecreane.com/uploads/1/3/0/7/130740323/folalatejodozunezalu.pdf
- http://files.thompsonsphotos.org/uploads/1/3/0/8/130874332/mugetifojosefu.pdf
- https://cdn.shopify.com/s/files/1/0433/8001/5271/files/95423397568.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/15900382268.pdf
- https://cdn.shopify.com/s/files/1/0431/6551/5933/files/82732472283.pdf
- https://cdn.shopify.com/s/files/1/0431/9143/5422/files/44811810987.pdf
- https://cdn.shopify.com/s/files/1/0428/2338/5247/files/55701249661.pdf
- https://cdn.shopify.com/s/files/1/0431/2009/9488/files/rugevelidodoxaf.pdf
- https://cdn.shopify.com/s/files/1/0431/2681/6932/files/fabanedofujoxogomitumuvej.pdf
- https://cdn.shopify.com/s/files/1/0427/4490/5884/files/mafil.pdf
- https://cdn.shopify.com/s/files/1/0432/8908/4068/files/71390550478.pdf
- https://cdn.shopify.com/s/files/1/0431/0876/1751/files/69279539080.pdf
- https://cdn.shopify.com/s/files/1/0429/8450/5498/files/kanomuxifopogujax.pdf
- https://cdn.shopify.com/s/files/1/0432/5444/8286/files/sefixavefokin.pdf
- https://cdn.shopify.com/s/files/1/0433/6756/3418/files/zabeseromawofi.pdf
- https://cdn.shopify.com/s/files/1/0429/5426/0643/files/60807005785.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_off0001875d.binedcceb3eebcffa84cf60b0a4ba41d2a2c79786d475ff7649701314c67c4a244f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1875D | 5420 bytes |
font_01_sfnt_off000199a2.bin00cf420749bef065ff309a4abb9662eded09275aba77e4ccbddb647b2f1ba6c1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x199A2 | 18288 bytes |
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