MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains embedded links that point to a redirector URL, which is a common tactic for phishing or malware delivery. The document body, though heavily obfuscated, contains text related to tax forms ('Steuerklasse ändern formular nrw pdf'), suggesting a lure. The heuristic 'PDF_MALICIOUS_REDIRECTOR_LINK' directly indicates malicious intent via the ttraff.com URL. The presence of numerous other PDF links, as noted by 'PDF_SEO_LINK_FARM', further supports a campaign distributing malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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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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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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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=steuerklasse+%25C3%25A4ndern+formular+nrw+pdf In PDF document text
- http://files.brushandbranch.co/uploads/1/3/0/7/130740344/2297158.pdfIn PDF document text
- http://files.cglewis.com/uploads/1/3/0/7/130776594/3c6fcfc5e818452.pdfIn PDF document text
- http://files.bronxpartyhall.com/uploads/1/3/1/3/131379306/mofiriwoxema.pdfIn PDF document text
- http://files.alittlelessbacon.com/uploads/1/3/1/6/131606631/bd9fbc445.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://cdn.shopify.com/s/files/1/0438/9886/3771/files/matat.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/1814/8261/files/baxuniwupopajum.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0954/0257/files/sexupu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7541/9798/files/vasugaxexiviwov.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/2563/6248/files/23186026526.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/1673/9222/files/8074450776.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/7027/3174/files/nelobo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/8917749958.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3077/2902/files/brisbane_flood_map_1974.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9302/5183/files/css_box-_shadow.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2929/1427/files/pukexasiwaki.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7828/7513/files/luvevetadilubinojaxalumad.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2161/5775/files/17729352277.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00007c82.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7C82 | 5516 bytes |
SHA-256: 112d5b830ec304840c9b8f7707fc68e56db44ad1c6621a6c2cd7821111013055 |
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font_01_sfnt_off00008eaa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8EAA | 11924 bytes |
SHA-256: cbae0f4ea067ea9fac14020fa63b41e25a095a0e6cc85992c32245abe96fdb2c |
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font_02_sfnt_off0000b5dd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB5DD | 4324 bytes |
SHA-256: b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c |
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