MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a large number of embedded links, many of which point to benign Shopify URLs, but one critical link directs to a known malicious redirector. The document body, though heavily obfuscated, contains text related to 'net force and friction problems worksheet answers' and the malicious URL, suggesting a lure to trick users into clicking the link. 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.com/pify?keyword=net+force+and+friction+problems+worksheet+answers
- http://dowuz.filgohomeinspections.com/uploads/1/3/1/1/131163667/pagutukunisuv.pdf
- http://files.djtonetx.com/uploads/1/3/0/8/130873941/rajonalunogo.pdf
- http://files.ufwlifestyle.com/uploads/1/3/0/8/130874676/2193738.pdf
- http://vagurawu.dianedailydose.com/uploads/1/3/1/0/131071258/e2bb8df.pdf
- http://nagumowe.46oakcandles.com/uploads/1/3/1/0/131070859/7560442.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0430/4519/1841/files/jilonik.pdf
- https://cdn.shopify.com/s/files/1/0429/2149/2643/files/97799409663.pdf
- https://cdn.shopify.com/s/files/1/0428/6054/4156/files/22065858337.pdf
- https://cdn.shopify.com/s/files/1/0429/5131/1513/files/english_speaking_learning_book_free.pdf
- https://cdn.shopify.com/s/files/1/0453/8466/3208/files/i_swear_song_mr_jatt.pdf
- https://cdn.shopify.com/s/files/1/0436/3033/0019/files/tirafeve.pdf
- https://cdn.shopify.com/s/files/1/0434/2402/2677/files/chevaliers_de_sangreal_piano_sheet_music.pdf
- https://cdn.shopify.com/s/files/1/0437/0504/1051/files/nubobofiraxakokit.pdf
- https://cdn.shopify.com/s/files/1/0431/4402/0125/files/biological_oceanography.pdf
- https://cdn.shopify.com/s/files/1/0431/8865/0142/files/nmr_spectroscopy_applications.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/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000054f4.bine5b182e9f7152ac201fad298e484d869a341f300a3f9d890f8d4aeef21d0991c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x54F4 | 5660 bytes |
font_01_sfnt_off0000681b.bin10890896eed2732622956529b8fdafa9c09accd98314cf715fcfe598018aedef |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x681B | 10420 bytes |
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