MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a large number of embedded links, many pointing to Shopify domains, but one critical link directs to a known malicious redirector at 'ttraff.com'. This suggests a link farm or phishing lure designed to redirect users to malicious content. 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.com/pify?keyword=methods+in+molecular+biophysics+serdyuk+pdf
- http://files.ctkbedford.org/uploads/1/3/2/7/132740342/708d827c.pdf
- http://jonaluw.thorbournebaby.com/uploads/1/3/0/8/130813846/jotonejetuvepurila.pdf
- http://files.hecklerancestry.com/uploads/1/3/0/9/130969926/fezovikaje.pdf
- https://cdn.shopify.com/s/files/1/0428/7430/6727/files/kivisonaziwunemowizip.pdf
- https://cdn.shopify.com/s/files/1/0431/6335/3250/files/79293235539.pdf
- https://cdn.shopify.com/s/files/1/0433/4852/5208/files/rewufinatewesibam.pdf
- https://cdn.shopify.com/s/files/1/0433/7877/0076/files/mogovenudabuselabefuxu.pdf
- https://cdn.shopify.com/s/files/1/0431/1298/8821/files/matisalonuwis.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/lonuxifipepi.pdf
- https://cdn.shopify.com/s/files/1/0437/4292/0869/files/xanoxojexem.pdf
- https://cdn.shopify.com/s/files/1/0431/7567/4012/files/american_english_file_3_2nd_edition.pdf
- https://cdn.shopify.com/s/files/1/0432/9691/5621/files/zuvatijupotagoxasix.pdf
- https://cdn.shopify.com/s/files/1/0434/7274/8710/files/world_breastfeeding_week_theme_2020.pdf
- https://cdn.shopify.com/s/files/1/0447/1940/7257/files/ipod_classic_manual.pdf
- https://cdn.shopify.com/s/files/1/0433/7595/2030/files/78796374803.pdf
- https://cdn.shopify.com/s/files/1/0444/1836/7654/files/tomb_of_annihilation_book.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_off00006438.binf6b2a67fee2ddb806234ac37324cfb9f82e96f5928b08d1af58684abac7ad7fb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6438 | 5704 bytes |
font_01_sfnt_off0000777e.bin448a3f5c74eb07aa3639866a3fb18d2c4feaf07596de13ff0b891b472ae5ed84 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x777E | 10680 bytes |
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