MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged as malicious by an ML classifier and contains a critical heuristic indicating it links to known malicious redirector infrastructure. The document body, though heavily obfuscated, contains a URL that appears to be a lure for users seeking antivirus software. The presence of a mass external PDF link farm further suggests a malicious intent to distribute harmful 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=best+free+antivirus+for+android+tv
- http://files.ontargetmolecules.com/uploads/1/3/1/6/131607103/94da171b.pdf
- http://kaxudar.catryanmedium.com/uploads/1/3/1/0/131070356/samigokujamegobo.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://www.daltonmaag.com/
- https://cdn.shopify.com/s/files/1/0431/7370/7925/files/damubuxefefugoluw.pdf
- https://cdn.shopify.com/s/files/1/0431/5047/5413/files/suzomijejewadesafupogaku.pdf
- https://cdn.shopify.com/s/files/1/0433/8951/7973/files/nekefulepavomuzon.pdf
- https://cdn.shopify.com/s/files/1/0435/2229/3920/files/90219993765.pdf
- https://cdn.shopify.com/s/files/1/0429/0327/3628/files/cariotipo_unam.pdf
- https://cdn.shopify.com/s/files/1/0430/1524/1891/files/medicinal_chemistry_mcq_book.pdf
- https://cdn.shopify.com/s/files/1/0439/4074/1275/files/5_day_workout_routine_for_weight_loss.pdf
- https://cdn.shopify.com/s/files/1/0437/3266/4481/files/bomelofutuse.pdf
- https://cdn.shopify.com/s/files/1/0431/4877/1488/files/o_rly_owl.pdf
- https://cdn.shopify.com/s/files/1/0439/0577/7832/files/ballade_pour_adeline_partition.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000627c.bin4c005b4e358936b75eca6aef4f53afabaa11f9ea973bfe19aaa336e98b60140c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x627C | 4860 bytes |
font_01_sfnt_off00007310.bine34da4159b3850dc93b68f22eef455efcd470241c348b777d582e654085aa061 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7310 | 9996 bytes |
font_02_sfnt_off00009551.bin1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9551 | 4324 bytes |
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