MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links, with one identified as a malicious redirector pointing to 'https://ttraff.com/pify?keyword=adicionar+assinatura+digital+pdf'. The document body and embedded link structures suggest a tactic to generate traffic or lead users to malicious sites. The ML classifier strongly supports the malicious verdict.
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=adicionar+assinatura+digital+pdf
- http://files.thelutherie.com/uploads/1/3/1/4/131483336/devujatugebe.pdf
- http://files.williampeskett.com/uploads/1/3/1/3/131379699/8700188.pdf
- http://files.vapethecrown.com/uploads/1/3/0/9/130969160/tuwupugavig_rezeped_gekowitefe.pdf
- http://files.abclocksmithsadelaide.com.au/uploads/1/3/0/9/130969430/xekukitapa.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0432/3871/9648/files/tasuluxejugimedos.pdf
- https://cdn.shopify.com/s/files/1/0437/7142/9016/files/4684220819.pdf
- https://cdn.shopify.com/s/files/1/0431/6377/9240/files/lizemapawabamumed.pdf
- https://cdn.shopify.com/s/files/1/0430/8415/2986/files/wuzunonulonofelafusofiw.pdf
- https://cdn.shopify.com/s/files/1/0432/1725/6603/files/asfixia_perinatal_gpc.pdf
- https://cdn.shopify.com/s/files/1/0434/2264/6422/files/83064080215.pdf
- https://cdn.shopify.com/s/files/1/0438/0386/9346/files/cytology_book_download.pdf
- https://cdn.shopify.com/s/files/1/0432/7833/6165/files/catalogo_jequiti_2020_download.pdf
- https://cdn.shopify.com/s/files/1/0433/7329/7822/files/lajabovafegifimegatazoju.pdf
- https://cdn.shopify.com/s/files/1/0439/5650/2686/files/the_apocryphal_new_testament.pdf
- https://cdn.shopify.com/s/files/1/0429/5639/0551/files/14971713928.pdf
- https://cdn.shopify.com/s/files/1/0428/8803/6505/files/wrist_exercises_for_carpal_tunnel.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_off00008575.binbde40dad0f15e8847eb50247abddadaf276363430ba4f3103639c806e29dab75 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8575 | 5312 bytes |
font_01_sfnt_off00009797.bin8fcb22d5cd6608d0064faf00cf39a42d499387c983c63ed4d0805d1de46c5eaa |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9797 | 10128 bytes |
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