MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many of which point to a redirector service known to host malicious content. The document body, though heavily obfuscated, contains a reference to 'Android os features pdf' and a URL that appears to be part of the redirection chain. This indicates a likely attempt to drive traffic to malicious sites, potentially for phishing or malware distribution.
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=android+os+features+pdf
- http://files.twistedtreeyogaroom.com/uploads/1/3/2/6/132695734/raxumobodubigake.pdf
- http://files.nintaipartners.com/uploads/1/3/1/4/131454207/9581644.pdf
- http://files.fortlincoln.org/uploads/1/3/0/8/130874588/1e019.pdf
- http://files.tsmseniorcenterassociation.com/uploads/1/3/1/3/131380005/c04b1c8c.pdf
- https://cdn.shopify.com/s/files/1/0429/8833/9354/files/16434151998.pdf
- https://cdn.shopify.com/s/files/1/0432/5123/7022/files/tikefarerubunexejujim.pdf
- https://cdn.shopify.com/s/files/1/0430/2068/1369/files/derojimasovuraxo.pdf
- https://cdn.shopify.com/s/files/1/0434/5259/6374/files/bisadavuzoworakezilano.pdf
- https://cdn.shopify.com/s/files/1/0431/5951/9394/files/89552083639.pdf
- https://cdn.shopify.com/s/files/1/0430/7792/7072/files/how_to_use_count_in_python.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/dogazuzotefoninu.pdf
- https://cdn.shopify.com/s/files/1/0433/9544/8997/files/68356793009.pdf
- https://cdn.shopify.com/s/files/1/0431/0673/0144/files/manuwasezedixetiju.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_off0000626d.bine9e3e3256d276cdcda83f57e34a9ac21579e98dfb7d55dbd6e014e4a4ef3603e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x626D | 4992 bytes |
font_01_sfnt_off00007379.bin4bcb7b22b719d5fa32c65556793919213bfef6fcb8666a5573c30bdf5272726f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7379 | 9992 bytes |
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