MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by a critical heuristic for linking to known malicious redirector infrastructure and for being part of a link farm. The ML classifier also strongly indicated maliciousness. The document body, though heavily obfuscated, contains a URL that matches the malicious redirector found in the heuristics. This suggests the primary purpose is to redirect users to 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.cc/pify?keyword=bee+er+apk
- http://nopaka.syedholdingsllc.com/uploads/1/3/0/8/130814328/6076e7cd.pdf
- http://files.mauirunning.com/uploads/1/3/0/9/130969472/kifasuz.pdf
- http://files.diycottage4u.com/uploads/1/3/0/7/130776726/7484426.pdf
- http://gisoru.beyondthemasks.net/uploads/1/3/0/7/130776167/zidoma-fogawitomelif.pdf
- https://cdn.shopify.com/s/files/1/0433/1870/6331/files/40542707174.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/55781022724.pdf
- https://cdn.shopify.com/s/files/1/0437/5180/0981/files/vemironawamimoj.pdf
- https://cdn.shopify.com/s/files/1/0429/4141/5587/files/27597622038.pdf
- https://cdn.shopify.com/s/files/1/0434/2077/8653/files/62073005179.pdf
- https://cdn.shopify.com/s/files/1/0438/2549/6221/files/33161808381.pdf
- https://cdn.shopify.com/s/files/1/0431/8976/4245/files/a_successful_git_branching_model.pdf
- https://cdn.shopify.com/s/files/1/0435/2992/8872/files/pdf_expert_annotation_tools.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/peposorutap.pdf
- https://cdn.shopify.com/s/files/1/0448/4136/9761/files/gre_words_synonyms_and_antonyms.pdf
- https://cdn.shopify.com/s/files/1/0434/9827/4978/files/fundamentals_of_computer_networking_and_internetworking.pdf
- https://cdn.shopify.com/s/files/1/0433/7513/2821/files/47182216528.pdf
- https://cdn.shopify.com/s/files/1/0433/6710/4668/files/36700285085.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_off0000e21a.bin2bae268036585a150d6699ab52890a77f27583f5c53187e1930a8a424d138c52 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE21A | 4716 bytes |
font_01_sfnt_off0000f22f.binfc00f8274090f6830158f38a177697a996fa59380c9f29ccfa384ee11accc405 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF22F | 10776 bytes |
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