MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous external links, many pointing to SEO-optimized PDF files, a common tactic for distributing malware or phishing content. The primary redirector URL, https://ttraff.ru/pify?keyword=substitution+and+elimination+word+problems+worksheet+pdf, is flagged as malicious and used in conjunction with an image lure, suggesting a phishing attempt disguised as a worksheet download. The ML classifier strongly indicates maliciousness.
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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PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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=substitution+and+elimination+word+problems+worksheet+pdf In PDF document text
- http://files.testsiteforhsct.info/uploads/1/3/1/6/131636845/rusitelagu_rekep.pdfIn PDF document text
- http://fibugiwa.nicholeleavy.com/uploads/1/3/2/6/132695329/9473238.pdfIn PDF document text
- http://files.tylerstracks.com/uploads/1/3/1/6/131636903/bixevalizureke.pdfIn PDF document text
- http://depotiro.machining-technology.com/uploads/1/3/0/9/130969723/d79905a7d9eb5e.pdfIn PDF document text
- http://ligiriwu.islandretreatcleaninganddesign.com/uploads/1/3/2/6/132681556/5652807.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/1/0434/5040/0928/files/zeloxasifopa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/4931/2665/files/antrenmanlarla_matematik_3.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9502/4025/files/34838711211.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/rejukimuvili.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7438/8119/files/85630171838.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3404/9703/files/wezarakabidifujagudijij.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0994/9341/files/mubomawa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8774/8519/files/appropriate_by_branden_jacobs_jenkins.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/9883/8942/files/dakovisunibaviwegaza.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/2393/2311/files/33258263825.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2353/1175/files/3210078100.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4782/1212/files/daxibop.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0951/5413/files/19453093268.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/4929/4756/files/android_file_download_example.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
🗂 Part of campaign:
joyfulalwaysdesigns.com
5 samples
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006a28.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6A28 | 5680 bytes |
SHA-256: 2175cadb18d45d991a366a52f4a501c72aac8b85f88bddad5c1507ea674f7b1d |
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font_01_sfnt_off00007d53.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7D53 | 10360 bytes |
SHA-256: c9d17e47188abc2cded922c48d13c04fb5dab0e40b94e8cf1e807646682c488b |
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