MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a high number of embedded links, many of which point to a link farm hosted on cdn.shopify.com. One critical heuristic identified a link to a known malicious redirector infrastructure at 'ttraff.com'. The ML classifier also strongly indicated maliciousness. The document body, though partially corrupted, contains the string 'Cambridge pet 5 pdf' and the malicious URL, suggesting a lure to a potentially harmful site.
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=cambridge+pet+5+pdf
- http://files.lukehuling.com/uploads/1/3/1/8/131858592/4338907.pdf
- http://kubiwomid.partnersinprayerforourprodigals.com/uploads/1/3/2/8/132814930/715471.pdf
- http://pakil.hylandgroup.com/uploads/1/3/1/0/131070374/mevimigoxamukon-ruvinoliz-zovarip.pdf
- https://cdn.shopify.com/s/files/1/0433/7346/1669/files/67334606806.pdf
- https://cdn.shopify.com/s/files/1/0430/7409/3217/files/mizorimalovubis.pdf
- https://cdn.shopify.com/s/files/1/0435/4929/4756/files/71323434755.pdf
- https://cdn.shopify.com/s/files/1/0433/4141/4552/files/89201268643.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/42257023754.pdf
- https://cdn.shopify.com/s/files/1/0427/4028/5607/files/sammamish_weather_forecast.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/kemisavixazesunomezixe.pdf
- https://cdn.shopify.com/s/files/1/0438/2598/7734/files/active_and_passive_voice_worksheet_grade_8.pdf
- https://cdn.shopify.com/s/files/1/0435/3985/7572/files/37757162724.pdf
- https://cdn.shopify.com/s/files/1/0438/0000/2717/files/ansible_tutorial_download.pdf
- https://cdn.shopify.com/s/files/1/0429/6985/8214/files/twinkle_twinkle_little_star_piano_sheet.pdf
- https://cdn.shopify.com/s/files/1/0431/4857/4884/files/37455155511.pdf
- https://cdn.shopify.com/s/files/1/0437/9115/5361/files/92927197065.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_off00004de5.bin47e3669e3710d4a27e1f37af6d249dca5838dcd8ccfc4f0ca53be901d56bea6e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4DE5 | 5320 bytes |
font_01_sfnt_off00005fee.bin8fbab7ac02ac73a7f3e220293ca0bfb00c16abaa8000702c234cd9e2222341ca |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5FEE | 9888 bytes |
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