MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains embedded links that redirect to a malicious URL, identified by the 'PDF_MALICIOUS_REDIRECTOR_LINK' heuristic. The document body text and embedded URLs suggest a lure related to academic solutions, likely to trick users into visiting the malicious site. The ML classifier also strongly indicated maliciousness.
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=chegg+solutions+pdf+free
- http://fitovu.stephenkozan.com/uploads/1/3/1/3/131380771/4189162.pdf
- http://kitizovi.craniosacralnashville.com/uploads/1/3/1/4/131406082/5907262.pdf
- http://files.icorboxing.com/uploads/1/3/1/8/131858916/4525477.pdf
- http://files.msdressersclass.com/uploads/1/3/0/7/130738548/rozapezidunip.pdf
- http://files.maidstonebuddhistgroup.website/uploads/1/3/1/8/131857419/9648813.pdf
- https://cdn.shopify.com/s/files/1/0435/9510/4418/files/9341784923.pdf
- https://cdn.shopify.com/s/files/1/0436/4759/8742/files/nusutegikesoviju.pdf
- https://cdn.shopify.com/s/files/1/0433/7532/9445/files/40638596602.pdf
- https://cdn.shopify.com/s/files/1/0428/9780/1375/files/4904089845.pdf
- https://cdn.shopify.com/s/files/1/0438/9784/7976/files/tivikok.pdf
- https://cdn.shopify.com/s/files/1/0430/8320/2711/files/sumujodofuxusuzo.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/ganisififado.pdf
- https://cdn.shopify.com/s/files/1/0429/0589/5075/files/63274152872.pdf
- https://cdn.shopify.com/s/files/1/0430/0197/0837/files/watch_the_avengers_online_free.pdf
- https://cdn.shopify.com/s/files/1/0434/7602/5501/files/dice_average_calculator.pdf
- https://cdn.shopify.com/s/files/1/0432/9324/5600/files/kaplansky_commutative_algebra.pdf
- https://cdn.shopify.com/s/files/1/0435/0928/5024/files/bser_10th_books.pdf
- https://cdn.shopify.com/s/files/1/0434/3886/6597/files/2100624575.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_off00007402.bin97ce6d4e2aea05bb2ceb1447921dfd3f44f41c889e29468e1b8f036ec061ac27 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7402 | 4996 bytes |
font_01_sfnt_off000084fd.binaa481a96c83ea8c715170e06a24dc10951df084deb2882ec9749c4f4f2c20fe2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x84FD | 10092 bytes |
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