MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of embedded URLs, many of which point to suspicious domains, and one critical heuristic identified it as a redirector link to malicious infrastructure. The document body, though partially corrupted, contains text suggesting it is a lure for free craft PDFs, which is a common tactic for phishing and scam campaigns. 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.ru/pify?keyword=manualidades+de+reciclaje+pdf+gratis
- http://tovejoda.spsyc.online/uploads/1/3/1/4/131438641/pedagamosuj.pdf
- http://finosiruf.aurorasportfishing.com/uploads/1/3/1/0/131070420/7325348.pdf
- http://files.annamhenderson.com/uploads/1/3/0/8/130874330/f56ec6bc8c.pdf
- http://files.stakeholders-act.org/uploads/1/3/1/4/131413362/1747374.pdf
- http://files.leusia.com/uploads/1/3/1/3/131379719/4633669.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0428/3842/5767/files/1447373741.pdf
- https://cdn.shopify.com/s/files/1/0434/3300/1126/files/2015_nissan_murano_owners_manual.pdf
- https://cdn.shopify.com/s/files/1/0434/8998/4674/files/tagopel.pdf
- https://cdn.shopify.com/s/files/1/0431/6046/9660/files/25327767982.pdf
- https://cdn.shopify.com/s/files/1/0438/1645/2258/files/49144046928.pdf
- https://cdn.shopify.com/s/files/1/0429/0209/3987/files/lijubi.pdf
- https://cdn.shopify.com/s/files/1/0433/4980/3166/files/75087991375.pdf
- https://cdn.shopify.com/s/files/1/0428/3708/2271/files/tisex.pdf
- https://cdn.shopify.com/s/files/1/0430/6557/3537/files/molecular_mechanism_of_nitrogen_fixation.pdf
- https://cdn.shopify.com/s/files/1/0428/5625/1555/files/30198994040.pdf
- https://cdn.shopify.com/s/files/1/0434/4807/4405/files/37375864735.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/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006c97.bin57980e2bcafb22ce3cd40d1cae114eb93277a4b0e4ffa7076161ef0bc21f2694 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6C97 | 5404 bytes |
font_01_sfnt_off00007f1f.binf21bca9f7dd3075ac0afb3f58be411cccc41b94a31fa74ee666dc4ee3b260847 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7F1F | 11036 bytes |
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