MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a large number of external links, many pointing to Shopify domains, suggesting a link farm for SEO manipulation. One critical heuristic identified a link to a known malicious redirector, ttraff.cc. The document body, though heavily obfuscated, contains text related to 'grammar practice worksheets pdf' and the malicious URL, indicating a lure to a phishing or malware distribution 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.cc/pify?keyword=hesi+grammar+practice+worksheets+pdf
- http://pexileze.clovellypublicpandc.com/uploads/1/3/2/6/132696021/juvowojuzise_vowabet_bovipizaxuzobuz_zekeded.pdf
- http://files.rpdk9history.com/uploads/1/3/2/6/132681602/kipolitupirora.pdf
- http://files.sexualwellnessinstitute.com/uploads/1/3/1/3/131383821/loxebotebare.pdf
- https://cdn.shopify.com/s/files/1/0452/2305/1424/files/fortnite_dance_therapy_sheet_music.pdf
- https://cdn.shopify.com/s/files/1/0440/2987/0230/files/63914519805.pdf
- https://cdn.shopify.com/s/files/1/0429/1110/5191/files/axis_and_allies_map.pdf
- https://cdn.shopify.com/s/files/1/0437/5347/2151/files/laxufomojixupok.pdf
- https://cdn.shopify.com/s/files/1/0438/3594/9218/files/bixapiguzoritijetiri.pdf
- https://cdn.shopify.com/s/files/1/0429/9220/5978/files/64580028264.pdf
- https://cdn.shopify.com/s/files/1/0437/7070/8125/files/146866880.pdf
- https://cdn.shopify.com/s/files/1/0434/5580/7654/files/firekijugaxijuguxoge.pdf
- https://cdn.shopify.com/s/files/1/0431/1734/6965/files/sajujab.pdf
- https://cdn.shopify.com/s/files/1/0437/1392/1189/files/meweboves.pdf
- https://cdn.shopify.com/s/files/1/0429/6717/1223/files/jewellery_making_tutorials.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_off0000770a.bin3333fe395ada5290b0bbb87ab36f905396f2bfa88311afa897ffcfa18a20bad0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x770A | 5656 bytes |
font_01_sfnt_off00008a2f.bind20ea065689c4748fd50c2f7e1cf217562ef011de2e6539357cfb1eb1b36ec68 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8A2F | 10256 bytes |
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