MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by multiple critical heuristics for containing malicious redirector links and a large number of external links, suggesting a link farm or SEO spam campaign. The primary malicious URL identified is https://ttraff.ru/pify, which is used to redirect to other PDF files. While no scripts were extracted, the sheer volume and nature of the embedded links strongly indicate a malicious intent to direct users to potentially 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.ru/pify?keyword=airliner+world+december+2020+pdf
- http://files.kissfitnessprogram.com/uploads/1/3/1/3/131379042/xepawusaruzoseso.pdf
- http://files.dandelionhousefloraldesign.com/uploads/1/3/1/4/131454373/2751783.pdf
- http://files.tubitospizza.com/uploads/1/3/0/7/130740297/22f24.pdf
- https://cdn.shopify.com/s/files/1/0433/6202/5624/files/sotelamezotivijagunujilu.pdf
- https://cdn.shopify.com/s/files/1/0430/6350/9141/files/4011876156.pdf
- https://cdn.shopify.com/s/files/1/0432/5136/8104/files/79123415902.pdf
- https://cdn.shopify.com/s/files/1/0430/3686/8762/files/scotts_2000-_20.pdf
- https://cdn.shopify.com/s/files/1/0432/8259/6004/files/daronuvixerivaratuda.pdf
- https://cdn.shopify.com/s/files/1/0431/6397/5835/files/muregizigosikaxujavat.pdf
- https://cdn.shopify.com/s/files/1/0427/4615/1078/files/73103308271.pdf
- https://cdn.shopify.com/s/files/1/0435/4942/5823/files/enlaces_quimicos_del_agua.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/76957488457.pdf
- https://cdn.shopify.com/s/files/1/0430/6275/5490/files/sebumufumepuxabifus.pdf
- https://cdn.shopify.com/s/files/1/0427/9717/0847/files/merge_with_adobe_reader_xi.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_off00006be4.bin5f43bf7cd90c2598d12ad84e60ea7f8fdd8235580bed41b1462c33432a8f912b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6BE4 | 5408 bytes |
font_01_sfnt_off00007e48.bin9ebf0c9aebeaf0c01df9802f08449b76a9b5575aa416a969c0310a0bf5c2ca1f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7E48 | 10032 bytes |
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