MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF is identified as malicious due to its redirection to a known malicious URL, ttraff.ru, disguised as a link to an interview preparation PDF. The document body contains obfuscated text and embedded URLs, suggesting an attempt to exploit users through a phishing lure. The ML classifier strongly supports the malicious verdict.
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.ru/pify?keyword=cracking+the+code+interview+github+pdf In PDF document text
- http://renejeb.lpethelphoto.com/uploads/1/3/1/0/131070420/89c41a8bd.pdfIn PDF document text
- http://files.sweetnspicecandles.ca/uploads/1/3/2/7/132710676/9273107.pdfIn PDF document text
- http://rexutew.alfredocarlos.com/uploads/1/3/2/6/132681947/bejoxexufarasit.pdfIn PDF document text
- http://files.love-lore.com/uploads/1/3/2/6/132682070/3833cbc9fc5cf.pdfIn PDF document text
- http://files.gardenspotrentals.net/uploads/1/3/2/6/132681938/finefenusavat.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/1/0428/4484/8295/files/medepo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8421/8532/files/segavunawowozu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8942/8637/files/52617276496.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3802/3581/files/37049920115.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6916/9054/files/attestation_sur_l_honneur_de_prise_en_charge.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/4659/0872/files/definition_of_motivation_in_education.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/6421/4182/files/ridol.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1526/6723/files/pawibebab.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/4711/5157/files/58065362891.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/4642/7034/files/tiperozazalof.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/1809/0653/files/45749403197.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/5775/0951/files/devuvope.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2175/4787/files/77045618197.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
- https://savannah.gnu.org/projects/freefont/In PDF document text
- http://www.gnu.org/licenses/In PDF document text
- http://www.gnu.org/copyleft/gpl.htmlIn PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000641d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x641D | 6744 bytes |
SHA-256: 127b44c9f93874c96d25eb7ddc4688780d8877ce931cf296363fb5748d8d514b |
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font_01_sfnt_off00007504.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7504 | 5468 bytes |
SHA-256: 9df52b2afd131650ecc4a3ac01e9c95dce529881e8e5fe0e94156120b46d69db |
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font_02_sfnt_off0000879a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x879A | 2524 bytes |
SHA-256: 89993ed4fac3537dc4c7561b80d76631271cc5befb3c9e9f7e483d52a3ed0447 |
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font_03_sfnt_off0000928c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x928C | 10360 bytes |
SHA-256: 5d51dc97f07d06202843da4e170aee24934497d6d6ac5ea6ff3803d11098323a |
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