MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous embedded links, with one specifically pointing to a known malicious redirector. The document body, though partially corrupted, includes the same URL, suggesting a lure to a malicious site. The presence of a large number of external PDF links, many hosted on Shopify, indicates a link farm designed to manipulate search engine results and drive traffic to malicious destinations. The ML classifier strongly supports the malicious nature of this PDF.
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=indefinite+pronouns+subject+verb+agreement+worksheet+pdf
- http://renilu.sydniessweetlife.com/uploads/1/3/1/1/131164250/639989fc334.pdf
- http://files.larysspeakeasy.org/uploads/1/3/0/8/130814351/jalobaz_jaboxodejek.pdf
- http://bikine.thewritersinkhorn.com/uploads/1/3/0/7/130775291/32023cc53a719.pdf
- https://cdn.shopify.com/s/files/1/0432/5274/4347/files/47731692907.pdf
- https://cdn.shopify.com/s/files/1/0431/5922/4480/files/90580725033.pdf
- https://cdn.shopify.com/s/files/1/0434/1379/9066/files/63845870071.pdf
- https://cdn.shopify.com/s/files/1/0429/0379/7913/files/furapojovidipufutixomi.pdf
- https://cdn.shopify.com/s/files/1/0433/2165/5464/files/movusutiru.pdf
- https://cdn.shopify.com/s/files/1/0437/9069/6597/files/arduino_bluetooth_projects.pdf
- https://cdn.shopify.com/s/files/1/0437/5206/3137/files/evolution_of_human_brain.pdf
- https://cdn.shopify.com/s/files/1/0434/9162/3077/files/bless_the_lord_oh_my_soul_lyrics.pdf
- https://cdn.shopify.com/s/files/1/0427/9812/1119/files/28855165039.pdf
- https://cdn.shopify.com/s/files/1/0433/2129/5003/files/wijedinunobeza.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_off00006235.bin2cf0f6ec36c9b5d128e6f43a9d2aea0c65812aef196b535b19a0fbb9b75d821a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6235 | 5904 bytes |
font_01_sfnt_off0000763b.bin60229e44e38d73bd012922c415f6020da4f45e223c33f0dc3e2df2d2318586cf |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x763B | 10064 bytes |
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