MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains a heuristic firing for a malicious redirector link, pointing to ttraff.cc. Additionally, it exhibits characteristics of a PDF link farm, with numerous external links, many hosted on cdn.shopify.com. The document body, though heavily obfuscated, contains the URL https://ttraff.cc/pify?keyword=change+guardian+user+guide, suggesting a lure to a malicious site. The presence of a 'download button' heuristic further supports a malicious workflow.
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.cc/pify?keyword=change+guardian+user+guide In PDF document text
- http://files.bu-meds.org/uploads/1/3/2/7/132710732/5753235.pdfIn PDF document text
- http://files.bonsaiphilippines.com/uploads/1/3/1/4/131437919/kezozoki.pdfIn PDF document text
- http://files.trackfourjournal.com/uploads/1/3/1/4/131438190/xosusoginuruxejizu.pdfIn PDF document text
- http://files.crismarin.com/uploads/1/3/1/6/131607110/gaxasa.pdfIn PDF document text
- http://files.saltwaterandseaglass.com/uploads/1/3/0/7/130775084/rumorur-giduzerumerot-lurapazo.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/1/0434/3486/8897/files/bamboo_cotton_sheets_australia.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4942/6845/files/motujoxadujotikojeri.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0460/1328/4511/files/jusilofimizifetesog.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9275/5111/files/5239799201.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/8098/8325/files/60931199573.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4214/3397/files/greedfall_parents_guide.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/0770/3201/files/2274226278.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/6965/1609/files/kuvekulebu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/8085/2383/files/viweragupesuv.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/6004/4710/files/xopefuwalajudi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5770/9210/files/pulifewovugaju.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/8921/6163/files/91359516270.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/7742/7609/files/baiscope_korean_tv_series.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_off000074d0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x74D0 | 4960 bytes |
SHA-256: 055b3ad96f77fb296adffc568977ee4b23c96271e1f69366841c2d01f3f49b1e |
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font_01_sfnt_off0000859d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x859D | 10920 bytes |
SHA-256: 52626f05755be12a5f7d7f4248db22b2c7430bfa892b10b6d840b7075077b50d |
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