MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links, many pointing to Shopify domains hosting other PDFs, but one critical link redirects through 'ttraff.ru', identified as a malicious redirector. This suggests a phishing or scam attempt, likely using the 'free download' lure to direct users to malicious infrastructure. The ML classifier strongly supports the malicious nature of this PDF.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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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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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.ru/pify?keyword=ak+jain+physiology+pdf+volume+2 In PDF document text
- http://files.thewarsoftherosescatalogue.com/uploads/1/3/1/0/131070051/fef7ff5848f26.pdfIn PDF document text
- http://nulet.chesterfieldfourseasonsclub.com/uploads/1/3/1/1/131164250/rizanek.pdfIn PDF document text
- http://files.travelingyoginista.com/uploads/1/3/1/4/131452867/88f12cd483fe.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/1/0433/4908/2264/files/gajusenejusosa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/0271/4536/files/5199883506.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0447/8697/4869/files/canterbury_tales_nun_s_priest_s_tale.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/7709/9935/files/let_it_be_chords_piano.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6958/7104/files/behringer_neutron_patches.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0447/7698/0629/files/68074550490.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0369/0660/files/career_paths_dental_hygienist.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4069/3662/files/47451941146.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0636/9703/files/61194313141.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/0160/8353/files/29514966738.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/5633/9871/files/knowledge_matters_vb_answer_key.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0453/2423/9003/files/calligraphy_practice_free.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/3716/9576/files/palirufobanurobibowax.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/8156/3286/files/paint_the_town_red_game_android.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006443.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6443 | 5784 bytes |
SHA-256: f0879b6b827780cf11473f859a65437fa8db7eccd25cd32c8d1caa4eaa122e2f |
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font_01_sfnt_off000077e5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x77E5 | 10540 bytes |
SHA-256: 8fae9d54b8a280ba1a456492180212b9057786629cd65e06c5d6df452c089674 |
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font_02_sfnt_off00009c22.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9C22 | 16340 bytes |
SHA-256: ee51351c9eb8c6a9dbff1bb743467f39bbaa64eee970481c040e8f02c1ffc4b8 |
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