MALICIOUS
242
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded links, with one pointing to a known malicious redirector. The document body, though heavily obfuscated, contains text suggesting a form or manual, and the presence of a 'download button' heuristic combined with a 'password archive lure' suggests a social engineering attempt to trick the user into downloading a malicious file. The primary malicious URL identified is ttraff.com.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 7
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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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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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/wb?keyword=form%2016a%20manual%20format In PDF document text
- http://files.iprawa.net/uploads/1/3/2/8/132816066/d34de28e.pdfIn PDF document text
- http://files.harperdrama.com/uploads/1/3/1/4/131453753/vomemavif-xoxur-lopuwafukes-gesofobulinel.pdfIn PDF document text
- http://files.fineartfitout.co.nz/uploads/1/3/0/7/130739182/zomisetaluzese.pdfIn PDF document text
- http://files.deltagenetics.com/uploads/1/3/0/7/130775953/webuxaxafilibig.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/4448/7836/files/jiwuzudewevafidurite.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/1637/2892/files/budwig_protocol_book.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/2217/0786/files/52219620481.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6540/8662/files/76059824183.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/8799/5807/files/40580576073.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4535/4658/files/fovabobesudujud.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/9569/4239/files/zogozutuzaluzesefibup.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/8888/5413/files/77308611038.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4492/0734/files/dijovowotuxaposixe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5340/8675/files/26325401005.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0449/8790/8264/files/ejercicios_de_quimica_organica_alcanos_alquenos_y_alquinos.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8266/1526/files/sonajukadusosewe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7098/0247/files/36506894037.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000079ec.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x79EC | 4896 bytes |
SHA-256: 3442e0a50405defd213ad460a6f0ee4f5de5afbfa1ce7d5cc8f8b9f6a5568b48 |
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font_01_sfnt_off00008a85.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8A85 | 10228 bytes |
SHA-256: 03d2ed89f3332d8a73c8593f93eecf7f64408cc242c39317494fd4d6c7adba3b |
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