MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous embedded links, with one prominently leading to a malicious redirector at 'https://ttraff.com/pify?keyword=writing+task+1+bar+graph+pdf'. This URL is likely used to funnel victims to further malicious content. The document body, though heavily obfuscated, contains references to this URL and other PDF links, suggesting a link farm or redirection strategy. 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=writing+task+1+bar+graph+pdf
- http://files.annwjarvie.com/uploads/1/3/2/6/132681812/kefiwopapatatog.pdf
- http://files.poconoavianresearch.org/uploads/1/3/1/4/131409717/lulalulakokoz_fujenezabujupu.pdf
- http://nopuzikiw.jacquelinereich.com/uploads/1/3/0/8/130874655/dda4f212a3.pdf
- http://files.jdaei.com/uploads/1/3/1/6/131636625/9596933.pdf
- https://cdn.shopify.com/s/files/1/0432/8236/6629/files/61690254324.pdf
- https://cdn.shopify.com/s/files/1/0432/9511/3374/files/65390973261.pdf
- https://cdn.shopify.com/s/files/1/0431/5784/8224/files/gba_bios_download.pdf
- https://cdn.shopify.com/s/files/1/0431/6656/4507/files/18310145438.pdf
- https://cdn.shopify.com/s/files/1/0430/2818/5239/files/karoxarezarimomepokozud.pdf
- https://cdn.shopify.com/s/files/1/0428/6559/0438/files/psc_bulletin_diamond_jubilee_edition_2020.pdf
- https://cdn.shopify.com/s/files/1/0436/7941/6473/files/npm_commands_list.pdf
- https://cdn.shopify.com/s/files/1/0433/6143/5813/files/39137082980.pdf
- https://cdn.shopify.com/s/files/1/0435/3448/3616/files/revaxitomosovadi.pdf
- https://cdn.shopify.com/s/files/1/0430/6557/3537/files/brideshead_revisited.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_off00006c30.bin141d58589a6ac030ce31f27f3fa1ffe39506705339a00390ea551e13ad661e95 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6C30 | 5540 bytes |
font_01_sfnt_off00007f14.bina9d2fe2df341766df842512d47667447b0772d435731d373a2b12f6ae2c56a24 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7F14 | 12204 bytes |
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