MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a heuristic firing for linking to known malicious redirector infrastructure, specifically pointing to 'ttraff.ru'. It also exhibits characteristics of a PDF link farm, with numerous external links, many hosted on Shopify. The document body, though heavily obfuscated, contains text related to 'emotional intelligence questionnaire' and 'wkhtmltopdf', suggesting a lure to disguise the malicious intent. The primary IOC is the redirector URL, which is likely used to funnel victims to a malicious 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.ru/pify?keyword=emotional+intelligence+questionnaire+for+students+pdf
- http://files.growwithmehomechildcare.com/uploads/1/3/1/4/131406744/finigan_xaputovatixabi_fiwexo.pdf
- http://files.mscureenigmas.net/uploads/1/3/1/3/131383998/jijamojagijatuk.pdf
- http://files.angelsofawareness.com/uploads/1/3/1/3/131398288/bomosagudal-lesila-temimixog.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0433/4206/9918/files/73954534083.pdf
- https://cdn.shopify.com/s/files/1/0428/0962/2691/files/povovilugutexedav.pdf
- https://cdn.shopify.com/s/files/1/0429/7680/5018/files/48653234742.pdf
- https://cdn.shopify.com/s/files/1/0431/5804/4826/files/gaxabizefinodedezazatexo.pdf
- https://cdn.shopify.com/s/files/1/0428/8276/0870/files/nukivufibupejuwuwipo.pdf
- https://cdn.shopify.com/s/files/1/0427/9340/2534/files/3331100820.pdf
- https://cdn.shopify.com/s/files/1/0433/1280/8091/files/tekopunuxunisumo.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/81858120772.pdf
- https://cdn.shopify.com/s/files/1/0429/9925/1093/files/jajovilijo.pdf
- https://cdn.shopify.com/s/files/1/0431/9005/9176/files/8386301040.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_off0000d5ee.bincf88f4f1c2a6f0470b0516320a6a9029d114a081849832ec262dc74ade521e11 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD5EE | 5440 bytes |
font_01_sfnt_off0000e84b.bin576085113b350d306a6c4c859523bea557a50e541fa6a335ca07afdbcf417d54 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE84B | 12028 bytes |
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