MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains embedded links, with one specifically pointing to a known malicious redirector. The document body, though heavily obfuscated, appears to contain the URL 'https://ttraff.cc/pify?keyword=app+center+push+notifications+android', suggesting a lure to a malicious site. The presence of numerous external PDF links, many hosted on Shopify, indicates a link farm strategy, likely to improve search engine ranking for malicious content or to obscure the true destination. The ML classifier strongly flagged this PDF as malicious.
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=app+center+push+notifications+android
- http://borir.playaus.com/uploads/1/3/1/0/131070374/xukubenaf_mitepelodaloneg_sebumur_gaxawowuwowoz.pdf
- http://nizimu.jadsys.com/uploads/1/3/1/4/131455328/b14e1b808eb.pdf
- https://cdn.shopify.com/s/files/1/0432/2911/8627/files/aquamet_water_meter_manual.pdf
- https://cdn.shopify.com/s/files/1/0429/0733/6857/files/33348984288.pdf
- https://cdn.shopify.com/s/files/1/0438/0003/5490/files/5709868586.pdf
- https://cdn.shopify.com/s/files/1/0428/7696/0924/files/74829439811.pdf
- https://cdn.shopify.com/s/files/1/0428/7810/7811/files/mens_wedding_ring_style_guide.pdf
- https://cdn.shopify.com/s/files/1/0438/7930/1275/files/zexidiwuwixirubas.pdf
- https://cdn.shopify.com/s/files/1/0428/1538/9855/files/convert_pub_to.pdf
- https://cdn.shopify.com/s/files/1/0437/4013/5589/files/56719696453.pdf
- https://cdn.shopify.com/s/files/1/0428/3265/8588/files/xobisawigesipujixe.pdf
- https://cdn.shopify.com/s/files/1/0434/8716/6628/files/keboliratupeforumajo.pdf
- https://cdn.shopify.com/s/files/1/0429/1110/5183/files/plano_metro_barcelona_2020.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_off00006761.bine19751b9509ca28e8b8e832a403590f088b9c18d00abb4a7977f3c6c3dbca3a0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6761 | 5200 bytes |
font_01_sfnt_off00007902.bine533874345f7971e528662dbbb78fa7005e2c322f8f853559b3876f469e74f5b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7902 | 10044 bytes |
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