MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF document contains a lure related to interview questions and answers, which is a common social engineering tactic. It embeds numerous links, many of which point to a redirector service at 'ttraff.com'. This redirector is likely used to obscure the final malicious destination and potentially for SEO-based link farming. The ML classifier strongly indicates maliciousness, and the presence of multiple external links suggests an attempt to drive traffic to malicious infrastructure.
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=communication+round+interview+questions+and+answers In PDF document text
- http://files.katycupcakes.com/uploads/1/3/2/6/132695339/zamen.pdfIn PDF document text
- http://files.manestreethaircompany.com/uploads/1/3/0/7/130739069/fotujibesori-kosuboledimapim-pujonefezobo.pdfIn PDF document text
- http://files.freelancergcc.com/uploads/1/3/1/1/131163540/wikunixevo-zabibo-zulareximiwumes.pdfIn PDF document text
- http://files.lotusliondesign.com/uploads/1/3/1/4/131453455/5707383.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/1/0428/6310/0070/files/mefavoditepowo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7677/1224/files/los_12_acuerdos_de_paz_en_guatemala.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4112/8601/files/desercion_escolar_en_adolescentes_en_mexico.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/2344/8736/files/69862087841.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7927/0561/files/industrial_craft_2_nuke.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1140/0102/files/71757598454.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8484/1124/files/setufakunomonalopukifam.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/9724/2280/files/28169828244.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1281/6039/files/assembler_un_seul_fichier.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6824/3624/files/buchholz_relay_testing_procedure.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8699/5863/files/71304305718.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/1748/7011/files/46165198523.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0447/4611/3173/files/naming_cycloalkanes_worksheet.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/1381/6995/files/4878152126.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/0337/7824/files/english_words_with_tamil_meaning_free_download.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_off00006e9c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6E9C | 5236 bytes |
SHA-256: 17b47f58fd682ba4f7baf00de423995dbc7465713672c3f4b3bb8cea90cac763 |
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font_01_sfnt_off00008059.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8059 | 9996 bytes |
SHA-256: f6d2ab391f1c7fb589bd8027cda4692386ae94a29e171b064dc5a2dd458c4b40 |
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